gmap

package
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 Go to latest Published: Jul 28, 2019 License: MIT Imports: 6 Imported by: 0

Documentation

Overview

Package gmap provides concurrent-safe/unsafe map containers.

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

This section is empty.

Types

type AnyAnyMap 

type AnyAnyMap struct {
	// contains filtered or unexported fields
}

func NewAnyAnyMap 

func NewAnyAnyMap(unsafe ...bool) *AnyAnyMap

NewAnyAnyMap returns an empty hash map. The parameter <unsafe> used to specify whether using map in un-concurrent-safety, which is false in default, means concurrent-safe.

func NewAnyAnyMapFrom 

func NewAnyAnyMapFrom(data map[interface{}]interface{}, unsafe ...bool) *AnyAnyMap

NewAnyAnyMapFrom returns a hash map from given map <data>. Note that, the param <data> map will be set as the underlying data map(no deep copy), there might be some concurrent-safe issues when changing the map outside.

func (*AnyAnyMap) Clear 

func (m *AnyAnyMap) Clear()

Clear deletes all data of the map, it will remake a new underlying data map.

func (*AnyAnyMap) Clone 

func (m *AnyAnyMap) Clone(unsafe ...bool) *AnyAnyMap

Clone returns a new hash map with copy of current map data.

func (*AnyAnyMap) Contains 

func (m *AnyAnyMap) Contains(key interface{}) bool

Contains checks whether a key exists. It returns true if the <key> exists, or else false.

func (*AnyAnyMap) Flip 

func (m *AnyAnyMap) Flip()

Flip exchanges key-value of the map to value-key.

func (*AnyAnyMap) Get 

func (m *AnyAnyMap) Get(key interface{}) interface{}

Get returns the value by given <key>.

func (*AnyAnyMap) GetOrSet 

func (m *AnyAnyMap) GetOrSet(key interface{}, value interface{}) interface{}

GetOrSet returns the value by key, or set value with given <value> if not exist and returns this value.

func (*AnyAnyMap) GetOrSetFunc 

func (m *AnyAnyMap) GetOrSetFunc(key interface{}, f func() interface{}) interface{}

GetOrSetFunc returns the value by key, or sets value with return value of callback function <f> if not exist and returns this value.

func (*AnyAnyMap) GetOrSetFuncLock 

func (m *AnyAnyMap) GetOrSetFuncLock(key interface{}, f func() interface{}) interface{}

GetOrSetFuncLock returns the value by key, or sets value with return value of callback function <f> if not exist and returns this value.

GetOrSetFuncLock differs with GetOrSetFunc function is that it executes function <f> with mutex.Lock of the hash map.

func (*AnyAnyMap) GetVar 

func (m *AnyAnyMap) GetVar(key interface{}) *gvar.Var

GetVar returns a gvar.Var with the value by given <key>. The returned gvar.Var is un-concurrent safe.

func (*AnyAnyMap) GetVarOrSet 

func (m *AnyAnyMap) GetVarOrSet(key interface{}, value interface{}) *gvar.Var

GetVarOrSet returns a gvar.Var with result from GetVarOrSet. The returned gvar.Var is un-concurrent safe.

func (*AnyAnyMap) GetVarOrSetFunc 

func (m *AnyAnyMap) GetVarOrSetFunc(key interface{}, f func() interface{}) *gvar.Var

GetVarOrSetFunc returns a gvar.Var with result from GetOrSetFunc. The returned gvar.Var is un-concurrent safe.

func (*AnyAnyMap) GetVarOrSetFuncLock 

func (m *AnyAnyMap) GetVarOrSetFuncLock(key interface{}, f func() interface{}) *gvar.Var

GetVarOrSetFuncLock returns a gvar.Var with result from GetOrSetFuncLock. The returned gvar.Var is un-concurrent safe.

func (*AnyAnyMap) IsEmpty 

func (m *AnyAnyMap) IsEmpty() bool

IsEmpty checks whether the map is empty. It returns true if map is empty, or else false.

func (*AnyAnyMap) Iterator 

func (m *AnyAnyMap) Iterator(f func(k interface{}, v interface{}) bool)

Iterator iterates the hash map with custom callback function <f>. If <f> returns true, then it continues iterating; or false to stop.

func (*AnyAnyMap) Keys 

func (m *AnyAnyMap) Keys() []interface{}

Keys returns all keys of the map as a slice.

func (*AnyAnyMap) LockFunc 

func (m *AnyAnyMap) LockFunc(f func(m map[interface{}]interface{}))

LockFunc locks writing with given callback function <f> within RWMutex.Lock.

func (*AnyAnyMap) Map 

func (m *AnyAnyMap) Map() map[interface{}]interface{}

Map returns a copy of the data of the hash map.

func (*AnyAnyMap) MarshalJSON 

func (m *AnyAnyMap) MarshalJSON() ([]byte, error)

MarshalJSON implements the interface MarshalJSON for json.Marshal.

func (*AnyAnyMap) Merge 

func (m *AnyAnyMap) Merge(other *AnyAnyMap)

Merge merges two hash maps. The <other> map will be merged into the map <m>.

func (*AnyAnyMap) RLockFunc 

func (m *AnyAnyMap) RLockFunc(f func(m map[interface{}]interface{}))

RLockFunc locks reading with given callback function <f> within RWMutex.RLock.

func (*AnyAnyMap) Remove 

func (m *AnyAnyMap) Remove(key interface{}) interface{}

Remove deletes value from map by given <key>, and return this deleted value.

func (*AnyAnyMap) Removes 

func (m *AnyAnyMap) Removes(keys []interface{})

Removes batch deletes values of the map by keys.

func (*AnyAnyMap) Search 

func (m *AnyAnyMap) Search(key interface{}) (value interface{}, found bool)

Search searches the map with given <key>. Second return parameter <found> is true if key was found, otherwise false.

func (*AnyAnyMap) Set 

func (m *AnyAnyMap) Set(key interface{}, val interface{})

Set sets key-value to the hash map.

func (*AnyAnyMap) SetIfNotExist 

func (m *AnyAnyMap) SetIfNotExist(key interface{}, value interface{}) bool

SetIfNotExist sets <value> to the map if the <key> does not exist, then return true. It returns false if <key> exists, and <value> would be ignored.

func (*AnyAnyMap) SetIfNotExistFunc 

func (m *AnyAnyMap) SetIfNotExistFunc(key interface{}, f func() interface{}) bool

SetIfNotExistFunc sets value with return value of callback function <f>, then return true. It returns false if <key> exists, and <value> would be ignored.

func (*AnyAnyMap) SetIfNotExistFuncLock 

func (m *AnyAnyMap) SetIfNotExistFuncLock(key interface{}, f func() interface{}) bool

SetIfNotExistFuncLock sets value with return value of callback function <f>, then return true. It returns false if <key> exists, and <value> would be ignored.

SetIfNotExistFuncLock differs with SetIfNotExistFunc function is that it executes function <f> with mutex.Lock of the hash map.

func (*AnyAnyMap) Sets 

func (m *AnyAnyMap) Sets(data map[interface{}]interface{})

Sets batch sets key-values to the hash map.

func (*AnyAnyMap) Size 

func (m *AnyAnyMap) Size() int

Size returns the size of the map.

func (*AnyAnyMap) Values 

func (m *AnyAnyMap) Values() []interface{}

Values returns all values of the map as a slice.

type HashMap 

type HashMap = AnyAnyMap

type IntAnyMap 

type IntAnyMap struct {
	// contains filtered or unexported fields
}

func NewIntAnyMap 

func NewIntAnyMap(unsafe ...bool) *IntAnyMap

NewIntAnyMap returns an empty IntAnyMap object. The parameter <unsafe> used to specify whether using map in un-concurrent-safety, which is false in default, means concurrent-safe.

func NewIntAnyMapFrom 

func NewIntAnyMapFrom(data map[int]interface{}, unsafe ...bool) *IntAnyMap

NewIntAnyMapFrom returns a hash map from given map <data>. Note that, the param <data> map will be set as the underlying data map(no deep copy), there might be some concurrent-safe issues when changing the map outside.

func (*IntAnyMap) Clear 

func (m *IntAnyMap) Clear()

Clear deletes all data of the map, it will remake a new underlying data map.

func (*IntAnyMap) Clone 

func (m *IntAnyMap) Clone() *IntAnyMap

Clone returns a new hash map with copy of current map data.

func (*IntAnyMap) Contains 

func (m *IntAnyMap) Contains(key int) bool

Contains checks whether a key exists. It returns true if the <key> exists, or else false.

func (*IntAnyMap) Flip 

func (m *IntAnyMap) Flip()

Flip exchanges key-value of the map to value-key.

func (*IntAnyMap) Get 

func (m *IntAnyMap) Get(key int) interface{}

Get returns the value by given <key>.

func (*IntAnyMap) GetOrSet 

func (m *IntAnyMap) GetOrSet(key int, value interface{}) interface{}

GetOrSet returns the value by key, or set value with given <value> if not exist and returns this value.

func (*IntAnyMap) GetOrSetFunc 

func (m *IntAnyMap) GetOrSetFunc(key int, f func() interface{}) interface{}

GetOrSetFunc returns the value by key, or sets value with return value of callback function <f> if not exist and returns this value.

func (*IntAnyMap) GetOrSetFuncLock 

func (m *IntAnyMap) GetOrSetFuncLock(key int, f func() interface{}) interface{}

GetOrSetFuncLock returns the value by key, or sets value with return value of callback function <f> if not exist and returns this value.

GetOrSetFuncLock differs with GetOrSetFunc function is that it executes function <f> with mutex.Lock of the hash map.

func (*IntAnyMap) GetVar 

func (m *IntAnyMap) GetVar(key int) *gvar.Var

GetVar returns a gvar.Var with the value by given <key>. The returned gvar.Var is un-concurrent safe.

func (*IntAnyMap) GetVarOrSet 

func (m *IntAnyMap) GetVarOrSet(key int, value interface{}) *gvar.Var

GetVarOrSet returns a gvar.Var with result from GetVarOrSet. The returned gvar.Var is un-concurrent safe.

func (*IntAnyMap) GetVarOrSetFunc 

func (m *IntAnyMap) GetVarOrSetFunc(key int, f func() interface{}) *gvar.Var

GetVarOrSetFunc returns a gvar.Var with result from GetOrSetFunc. The returned gvar.Var is un-concurrent safe.

func (*IntAnyMap) GetVarOrSetFuncLock 

func (m *IntAnyMap) GetVarOrSetFuncLock(key int, f func() interface{}) *gvar.Var

GetVarOrSetFuncLock returns a gvar.Var with result from GetOrSetFuncLock. The returned gvar.Var is un-concurrent safe.

func (*IntAnyMap) IsEmpty 

func (m *IntAnyMap) IsEmpty() bool

IsEmpty checks whether the map is empty. It returns true if map is empty, or else false.

func (*IntAnyMap) Iterator 

func (m *IntAnyMap) Iterator(f func(k int, v interface{}) bool)

Iterator iterates the hash map with custom callback function <f>. If <f> returns true, then it continues iterating; or false to stop.

func (*IntAnyMap) Keys 

func (m *IntAnyMap) Keys() []int

Keys returns all keys of the map as a slice.

func (*IntAnyMap) LockFunc 

func (m *IntAnyMap) LockFunc(f func(m map[int]interface{}))

LockFunc locks writing with given callback function <f> within RWMutex.Lock.

func (*IntAnyMap) Map 

func (m *IntAnyMap) Map() map[int]interface{}

Map returns a copy of the data of the hash map.

func (*IntAnyMap) MarshalJSON 

func (m *IntAnyMap) MarshalJSON() ([]byte, error)

MarshalJSON implements the interface MarshalJSON for json.Marshal.

func (*IntAnyMap) Merge 

func (m *IntAnyMap) Merge(other *IntAnyMap)

Merge merges two hash maps. The <other> map will be merged into the map <m>.

func (*IntAnyMap) RLockFunc 

func (m *IntAnyMap) RLockFunc(f func(m map[int]interface{}))

RLockFunc locks reading with given callback function <f> within RWMutex.RLock.

func (*IntAnyMap) Remove 

func (m *IntAnyMap) Remove(key int) interface{}

Remove deletes value from map by given <key>, and return this deleted value.

func (*IntAnyMap) Removes 

func (m *IntAnyMap) Removes(keys []int)

Removes batch deletes values of the map by keys.

func (*IntAnyMap) Search 

func (m *IntAnyMap) Search(key int) (value interface{}, found bool)

Search searches the map with given <key>. Second return parameter <found> is true if key was found, otherwise false.

func (*IntAnyMap) Set 

func (m *IntAnyMap) Set(key int, val interface{})

Set sets key-value to the hash map.

func (*IntAnyMap) SetIfNotExist 

func (m *IntAnyMap) SetIfNotExist(key int, value interface{}) bool

SetIfNotExist sets <value> to the map if the <key> does not exist, then return true. It returns false if <key> exists, and <value> would be ignored.

func (*IntAnyMap) SetIfNotExistFunc 

func (m *IntAnyMap) SetIfNotExistFunc(key int, f func() interface{}) bool

SetIfNotExistFunc sets value with return value of callback function <f>, then return true. It returns false if <key> exists, and <value> would be ignored.

func (*IntAnyMap) SetIfNotExistFuncLock 

func (m *IntAnyMap) SetIfNotExistFuncLock(key int, f func() interface{}) bool

SetIfNotExistFuncLock sets value with return value of callback function <f>, then return true. It returns false if <key> exists, and <value> would be ignored.

SetIfNotExistFuncLock differs with SetIfNotExistFunc function is that it executes function <f> with mutex.Lock of the hash map.

func (*IntAnyMap) Sets 

func (m *IntAnyMap) Sets(data map[int]interface{})

Sets batch sets key-values to the hash map.

func (*IntAnyMap) Size 

func (m *IntAnyMap) Size() int

Size returns the size of the map.

func (*IntAnyMap) Values 

func (m *IntAnyMap) Values() []interface{}

Values returns all values of the map as a slice.

type IntIntMap 

type IntIntMap struct {
	// contains filtered or unexported fields
}

func NewIntIntMap 

func NewIntIntMap(unsafe ...bool) *IntIntMap

NewIntIntMap returns an empty IntIntMap object. The parameter <unsafe> used to specify whether using map in un-concurrent-safety, which is false in default, means concurrent-safe.

func NewIntIntMapFrom 

func NewIntIntMapFrom(data map[int]int, unsafe ...bool) *IntIntMap

NewIntIntMapFrom returns a hash map from given map <data>. Note that, the param <data> map will be set as the underlying data map(no deep copy), there might be some concurrent-safe issues when changing the map outside.

func (*IntIntMap) Clear 

func (m *IntIntMap) Clear()

Clear deletes all data of the map, it will remake a new underlying data map.

func (*IntIntMap) Clone 

func (m *IntIntMap) Clone() *IntIntMap

Clone returns a new hash map with copy of current map data.

func (*IntIntMap) Contains 

func (m *IntIntMap) Contains(key int) bool

Contains checks whether a key exists. It returns true if the <key> exists, or else false.

func (*IntIntMap) Flip 

func (m *IntIntMap) Flip()

Flip exchanges key-value of the map to value-key.

func (*IntIntMap) Get 

func (m *IntIntMap) Get(key int) int

Get returns the value by given <key>.

func (*IntIntMap) GetOrSet 

func (m *IntIntMap) GetOrSet(key int, value int) int

GetOrSet returns the value by key, or set value with given <value> if not exist and returns this value.

func (*IntIntMap) GetOrSetFunc 

func (m *IntIntMap) GetOrSetFunc(key int, f func() int) int

GetOrSetFunc returns the value by key, or sets value with return value of callback function <f> if not exist and returns this value.

func (*IntIntMap) GetOrSetFuncLock 

func (m *IntIntMap) GetOrSetFuncLock(key int, f func() int) int

GetOrSetFuncLock returns the value by key, or sets value with return value of callback function <f> if not exist and returns this value.

GetOrSetFuncLock differs with GetOrSetFunc function is that it executes function <f> with mutex.Lock of the hash map.

func (*IntIntMap) IsEmpty 

func (m *IntIntMap) IsEmpty() bool

IsEmpty checks whether the map is empty. It returns true if map is empty, or else false.

func (*IntIntMap) Iterator 

func (m *IntIntMap) Iterator(f func(k int, v int) bool)

Iterator iterates the hash map with custom callback function <f>. If <f> returns true, then it continues iterating; or false to stop.

func (*IntIntMap) Keys 

func (m *IntIntMap) Keys() []int

Keys returns all keys of the map as a slice.

func (*IntIntMap) LockFunc 

func (m *IntIntMap) LockFunc(f func(m map[int]int))

LockFunc locks writing with given callback function <f> within RWMutex.Lock.

func (*IntIntMap) Map 

func (m *IntIntMap) Map() map[int]int

Map returns a copy of the data of the hash map.

func (*IntIntMap) MarshalJSON 

func (m *IntIntMap) MarshalJSON() ([]byte, error)

MarshalJSON implements the interface MarshalJSON for json.Marshal.

func (*IntIntMap) Merge 

func (m *IntIntMap) Merge(other *IntIntMap)

Merge merges two hash maps. The <other> map will be merged into the map <m>.

func (*IntIntMap) RLockFunc 

func (m *IntIntMap) RLockFunc(f func(m map[int]int))

RLockFunc locks reading with given callback function <f> within RWMutex.RLock.

func (*IntIntMap) Remove 

func (m *IntIntMap) Remove(key int) int

Remove deletes value from map by given <key>, and return this deleted value.

func (*IntIntMap) Removes 

func (m *IntIntMap) Removes(keys []int)

Removes batch deletes values of the map by keys.

func (*IntIntMap) Search 

func (m *IntIntMap) Search(key int) (value int, found bool)

Search searches the map with given <key>. Second return parameter <found> is true if key was found, otherwise false.

func (*IntIntMap) Set 

func (m *IntIntMap) Set(key int, val int)

Set sets key-value to the hash map.

func (*IntIntMap) SetIfNotExist 

func (m *IntIntMap) SetIfNotExist(key int, value int) bool

SetIfNotExist sets <value> to the map if the <key> does not exist, then return true. It returns false if <key> exists, and <value> would be ignored.

func (*IntIntMap) SetIfNotExistFunc 

func (m *IntIntMap) SetIfNotExistFunc(key int, f func() int) bool

SetIfNotExistFunc sets value with return value of callback function <f>, then return true. It returns false if <key> exists, and <value> would be ignored.

func (*IntIntMap) SetIfNotExistFuncLock 

func (m *IntIntMap) SetIfNotExistFuncLock(key int, f func() int) bool

SetIfNotExistFuncLock sets value with return value of callback function <f>, then return true. It returns false if <key> exists, and <value> would be ignored.

SetIfNotExistFuncLock differs with SetIfNotExistFunc function is that it executes function <f> with mutex.Lock of the hash map.

func (*IntIntMap) Sets 

func (m *IntIntMap) Sets(data map[int]int)

Sets batch sets key-values to the hash map.

func (*IntIntMap) Size 

func (m *IntIntMap) Size() int

Size returns the size of the map.

func (*IntIntMap) Values 

func (m *IntIntMap) Values() []int

Values returns all values of the map as a slice.

type IntStrMap 

type IntStrMap struct {
	// contains filtered or unexported fields
}

func NewIntStrMap 

func NewIntStrMap(unsafe ...bool) *IntStrMap

NewIntStrMap returns an empty IntStrMap object. The parameter <unsafe> used to specify whether using map in un-concurrent-safety, which is false in default, means concurrent-safe.

func NewIntStrMapFrom 

func NewIntStrMapFrom(data map[int]string, unsafe ...bool) *IntStrMap

NewIntStrMapFrom returns a hash map from given map <data>. Note that, the param <data> map will be set as the underlying data map(no deep copy), there might be some concurrent-safe issues when changing the map outside.

func (*IntStrMap) Clear 

func (m *IntStrMap) Clear()

Clear deletes all data of the map, it will remake a new underlying data map.

func (*IntStrMap) Clone 

func (m *IntStrMap) Clone() *IntStrMap

Clone returns a new hash map with copy of current map data.

func (*IntStrMap) Contains 

func (m *IntStrMap) Contains(key int) bool

Contains checks whether a key exists. It returns true if the <key> exists, or else false.

func (*IntStrMap) Flip 

func (m *IntStrMap) Flip()

Flip exchanges key-value of the map to value-key.

func (*IntStrMap) Get 

func (m *IntStrMap) Get(key int) string

Get returns the value by given <key>.

func (*IntStrMap) GetOrSet 

func (m *IntStrMap) GetOrSet(key int, value string) string

GetOrSet returns the value by key, or set value with given <value> if not exist and returns this value.

func (*IntStrMap) GetOrSetFunc 

func (m *IntStrMap) GetOrSetFunc(key int, f func() string) string

GetOrSetFunc returns the value by key, or sets value with return value of callback function <f> if not exist and returns this value.

func (*IntStrMap) GetOrSetFuncLock 

func (m *IntStrMap) GetOrSetFuncLock(key int, f func() string) string

GetOrSetFuncLock returns the value by key, or sets value with return value of callback function <f> if not exist and returns this value.

GetOrSetFuncLock differs with GetOrSetFunc function is that it executes function <f> with mutex.Lock of the hash map.

func (*IntStrMap) IsEmpty 

func (m *IntStrMap) IsEmpty() bool

IsEmpty checks whether the map is empty. It returns true if map is empty, or else false.

func (*IntStrMap) Iterator 

func (m *IntStrMap) Iterator(f func(k int, v string) bool)

Iterator iterates the hash map with custom callback function <f>. If <f> returns true, then it continues iterating; or false to stop.

func (*IntStrMap) Keys 

func (m *IntStrMap) Keys() []int

Keys returns all keys of the map as a slice.

func (*IntStrMap) LockFunc 

func (m *IntStrMap) LockFunc(f func(m map[int]string))

LockFunc locks writing with given callback function <f> within RWMutex.Lock.

func (*IntStrMap) Map 

func (m *IntStrMap) Map() map[int]string

Map returns a copy of the data of the hash map.

func (*IntStrMap) MarshalJSON 

func (m *IntStrMap) MarshalJSON() ([]byte, error)

MarshalJSON implements the interface MarshalJSON for json.Marshal.

func (*IntStrMap) Merge 

func (m *IntStrMap) Merge(other *IntStrMap)

Merge merges two hash maps. The <other> map will be merged into the map <m>.

func (*IntStrMap) RLockFunc 

func (m *IntStrMap) RLockFunc(f func(m map[int]string))

RLockFunc locks reading with given callback function <f> within RWMutex.RLock.

func (*IntStrMap) Remove 

func (m *IntStrMap) Remove(key int) string

Remove deletes value from map by given <key>, and return this deleted value.

func (*IntStrMap) Removes 

func (m *IntStrMap) Removes(keys []int)

Removes batch deletes values of the map by keys.

func (*IntStrMap) Search 

func (m *IntStrMap) Search(key int) (value string, found bool)

Search searches the map with given <key>. Second return parameter <found> is true if key was found, otherwise false.

func (*IntStrMap) Set 

func (m *IntStrMap) Set(key int, val string)

Set sets key-value to the hash map.

func (*IntStrMap) SetIfNotExist 

func (m *IntStrMap) SetIfNotExist(key int, value string) bool

SetIfNotExist sets <value> to the map if the <key> does not exist, then return true. It returns false if <key> exists, and <value> would be ignored.

func (*IntStrMap) SetIfNotExistFunc 

func (m *IntStrMap) SetIfNotExistFunc(key int, f func() string) bool

SetIfNotExistFunc sets value with return value of callback function <f>, then return true. It returns false if <key> exists, and <value> would be ignored.

func (*IntStrMap) SetIfNotExistFuncLock 

func (m *IntStrMap) SetIfNotExistFuncLock(key int, f func() string) bool

SetIfNotExistFuncLock sets value with return value of callback function <f>, then return true. It returns false if <key> exists, and <value> would be ignored.

SetIfNotExistFuncLock differs with SetIfNotExistFunc function is that it executes function <f> with mutex.Lock of the hash map.

func (*IntStrMap) Sets 

func (m *IntStrMap) Sets(data map[int]string)

Sets batch sets key-values to the hash map.

func (*IntStrMap) Size 

func (m *IntStrMap) Size() int

Size returns the size of the map.

func (*IntStrMap) Values 

func (m *IntStrMap) Values() []string

Values returns all values of the map as a slice.

type ListMap 

type ListMap struct {
	// contains filtered or unexported fields
}

func NewListMap 

func NewListMap(unsafe ...bool) *ListMap

NewListMap returns an empty link map. ListMap is backed by a hash table to store values and doubly-linked list to store ordering. The parameter <unsafe> used to specify whether using map in un-concurrent-safety, which is false in default, means concurrent-safe.

func NewListMapFrom 

func NewListMapFrom(data map[interface{}]interface{}, unsafe ...bool) *ListMap

NewListMapFrom returns a link map from given map <data>. Note that, the param <data> map will be set as the underlying data map(no deep copy), there might be some concurrent-safe issues when changing the map outside.

func (*ListMap) Clear 

func (m *ListMap) Clear()

Clear deletes all data of the map, it will remake a new underlying data map.

func (*ListMap) Clone 

func (m *ListMap) Clone(unsafe ...bool) *ListMap

Clone returns a new link map with copy of current map data.

func (*ListMap) Contains 

func (m *ListMap) Contains(key interface{}) (ok bool)

Contains checks whether a key exists. It returns true if the <key> exists, or else false.

func (*ListMap) Flip 

func (m *ListMap) Flip()

Flip exchanges key-value of the map to value-key.

func (*ListMap) Get 

func (m *ListMap) Get(key interface{}) (value interface{})

Get returns the value by given <key>.

func (*ListMap) GetOrSet 

func (m *ListMap) GetOrSet(key interface{}, value interface{}) interface{}

GetOrSet returns the value by key, or set value with given <value> if not exist and returns this value.

func (*ListMap) GetOrSetFunc 

func (m *ListMap) GetOrSetFunc(key interface{}, f func() interface{}) interface{}

GetOrSetFunc returns the value by key, or sets value with return value of callback function <f> if not exist and returns this value.

func (*ListMap) GetOrSetFuncLock 

func (m *ListMap) GetOrSetFuncLock(key interface{}, f func() interface{}) interface{}

GetOrSetFuncLock returns the value by key, or sets value with return value of callback function <f> if not exist and returns this value.

GetOrSetFuncLock differs with GetOrSetFunc function is that it executes function <f> with mutex.Lock of the map.

func (*ListMap) GetVar 

func (m *ListMap) GetVar(key interface{}) *gvar.Var

GetVar returns a gvar.Var with the value by given <key>. The returned gvar.Var is un-concurrent safe.

func (*ListMap) GetVarOrSet 

func (m *ListMap) GetVarOrSet(key interface{}, value interface{}) *gvar.Var

GetVarOrSet returns a gvar.Var with result from GetVarOrSet. The returned gvar.Var is un-concurrent safe.

func (*ListMap) GetVarOrSetFunc 

func (m *ListMap) GetVarOrSetFunc(key interface{}, f func() interface{}) *gvar.Var

GetVarOrSetFunc returns a gvar.Var with result from GetOrSetFunc. The returned gvar.Var is un-concurrent safe.

func (*ListMap) GetVarOrSetFuncLock 

func (m *ListMap) GetVarOrSetFuncLock(key interface{}, f func() interface{}) *gvar.Var

GetVarOrSetFuncLock returns a gvar.Var with result from GetOrSetFuncLock. The returned gvar.Var is un-concurrent safe.

func (*ListMap) IsEmpty 

func (m *ListMap) IsEmpty() bool

IsEmpty checks whether the map is empty. It returns true if map is empty, or else false.

func (*ListMap) Iterator 

func (m *ListMap) Iterator(f func(key, value interface{}) bool)

Iterator is alias of IteratorAsc.

func (*ListMap) IteratorAsc 

func (m *ListMap) IteratorAsc(f func(key interface{}, value interface{}) bool)

IteratorAsc iterates the map in ascending order with given callback function <f>. If <f> returns true, then it continues iterating; or false to stop.

func (*ListMap) IteratorDesc 

func (m *ListMap) IteratorDesc(f func(key interface{}, value interface{}) bool)

IteratorDesc iterates the map in descending order with given callback function <f>. If <f> returns true, then it continues iterating; or false to stop.

func (*ListMap) Keys 

func (m *ListMap) Keys() []interface{}

Keys returns all keys of the map as a slice in ascending order.

func (*ListMap) Map 

func (m *ListMap) Map() map[interface{}]interface{}

Map returns a copy of the data of the map.

func (*ListMap) MarshalJSON 

func (m *ListMap) MarshalJSON() ([]byte, error)

MarshalJSON implements the interface MarshalJSON for json.Marshal.

func (*ListMap) Merge 

func (m *ListMap) Merge(other *ListMap)

Merge merges two link maps. The <other> map will be merged into the map <m>.

func (*ListMap) Remove 

func (m *ListMap) Remove(key interface{}) (value interface{})

Remove deletes value from map by given <key>, and return this deleted value.

func (*ListMap) Removes 

func (m *ListMap) Removes(keys []interface{})

Removes batch deletes values of the map by keys.

func (*ListMap) Search 

func (m *ListMap) Search(key interface{}) (value interface{}, found bool)

Search searches the map with given <key>. Second return parameter <found> is true if key was found, otherwise false.

func (*ListMap) Set 

func (m *ListMap) Set(key interface{}, value interface{})

Set sets key-value to the map.

func (*ListMap) SetIfNotExist 

func (m *ListMap) SetIfNotExist(key interface{}, value interface{}) bool

SetIfNotExist sets <value> to the map if the <key> does not exist, then return true. It returns false if <key> exists, and <value> would be ignored.

func (*ListMap) SetIfNotExistFunc 

func (m *ListMap) SetIfNotExistFunc(key interface{}, f func() interface{}) bool

SetIfNotExistFunc sets value with return value of callback function <f>, then return true. It returns false if <key> exists, and <value> would be ignored.

func (*ListMap) SetIfNotExistFuncLock 

func (m *ListMap) SetIfNotExistFuncLock(key interface{}, f func() interface{}) bool

SetIfNotExistFuncLock sets value with return value of callback function <f>, then return true. It returns false if <key> exists, and <value> would be ignored.

SetIfNotExistFuncLock differs with SetIfNotExistFunc function is that it executes function <f> with mutex.Lock of the map.

func (*ListMap) Sets 

func (m *ListMap) Sets(data map[interface{}]interface{})

Sets batch sets key-values to the map.

func (*ListMap) Size 

func (m *ListMap) Size() (size int)

Size returns the size of the map.

func (*ListMap) Values 

func (m *ListMap) Values() []interface{}

Values returns all values of the map as a slice.

type Map 

type Map = AnyAnyMap

Map based on hash table, alias of AnyAnyMap.

func New 

func New(unsafe ...bool) *Map

New returns an empty hash map. The parameter <unsafe> used to specify whether using map in un-concurrent-safety, which is false in default, means concurrent-safe.

func NewFrom 

func NewFrom(data map[interface{}]interface{}, unsafe ...bool) *Map

NewFrom returns a hash map from given map <data>. Note that, the param <data> map will be set as the underlying data map(no deep copy), there might be some concurrent-safe issues when changing the map outside. The parameter <unsafe> used to specify whether using tree in un-concurrent-safety, which is false in default.

func NewHashMap 

func NewHashMap(unsafe ...bool) *Map

NewHashMap returns an empty hash map. The parameter <unsafe> used to specify whether using map in un-concurrent-safety, which is false in default, means concurrent-safe.

func NewHashMapFrom 

func NewHashMapFrom(data map[interface{}]interface{}, unsafe ...bool) *Map

NewHashMapFrom returns a hash map from given map <data>. Note that, the param <data> map will be set as the underlying data map(no deep copy), there might be some concurrent-safe issues when changing the map outside. The parameter <unsafe> used to specify whether using tree in un-concurrent-safety, which is false in default.

type StrAnyMap 

type StrAnyMap struct {
	// contains filtered or unexported fields
}

func NewStrAnyMap 

func NewStrAnyMap(unsafe ...bool) *StrAnyMap

NewStrAnyMap returns an empty StrAnyMap object. The parameter <unsafe> used to specify whether using map in un-concurrent-safety, which is false in default, means concurrent-safe.

func NewStrAnyMapFrom 

func NewStrAnyMapFrom(data map[string]interface{}, unsafe ...bool) *StrAnyMap

NewStrAnyMapFrom returns a hash map from given map <data>. Note that, the param <data> map will be set as the underlying data map(no deep copy), there might be some concurrent-safe issues when changing the map outside.

func (*StrAnyMap) Clear 

func (m *StrAnyMap) Clear()

Clear deletes all data of the map, it will remake a new underlying data map.

func (*StrAnyMap) Clone 

func (m *StrAnyMap) Clone() *StrAnyMap

Clone returns a new hash map with copy of current map data.

func (*StrAnyMap) Contains 

func (m *StrAnyMap) Contains(key string) bool

Contains checks whether a key exists. It returns true if the <key> exists, or else false.

func (*StrAnyMap) Flip 

func (m *StrAnyMap) Flip()

Flip exchanges key-value of the map to value-key.

func (*StrAnyMap) Get 

func (m *StrAnyMap) Get(key string) interface{}

Get returns the value by given <key>.

func (*StrAnyMap) GetOrSet 

func (m *StrAnyMap) GetOrSet(key string, value interface{}) interface{}

GetOrSet returns the value by key, or set value with given <value> if not exist and returns this value.

func (*StrAnyMap) GetOrSetFunc 

func (m *StrAnyMap) GetOrSetFunc(key string, f func() interface{}) interface{}

GetOrSetFunc returns the value by key, or sets value with return value of callback function <f> if not exist and returns this value.

func (*StrAnyMap) GetOrSetFuncLock 

func (m *StrAnyMap) GetOrSetFuncLock(key string, f func() interface{}) interface{}

GetOrSetFuncLock returns the value by key, or sets value with return value of callback function <f> if not exist and returns this value.

GetOrSetFuncLock differs with GetOrSetFunc function is that it executes function <f> with mutex.Lock of the hash map.

func (*StrAnyMap) GetVar 

func (m *StrAnyMap) GetVar(key string) *gvar.Var

GetVar returns a gvar.Var with the value by given <key>. The returned gvar.Var is un-concurrent safe.

func (*StrAnyMap) GetVarOrSet 

func (m *StrAnyMap) GetVarOrSet(key string, value interface{}) *gvar.Var

GetVarOrSet returns a gvar.Var with result from GetVarOrSet. The returned gvar.Var is un-concurrent safe.

func (*StrAnyMap) GetVarOrSetFunc 

func (m *StrAnyMap) GetVarOrSetFunc(key string, f func() interface{}) *gvar.Var

GetVarOrSetFunc returns a gvar.Var with result from GetOrSetFunc. The returned gvar.Var is un-concurrent safe.

func (*StrAnyMap) GetVarOrSetFuncLock 

func (m *StrAnyMap) GetVarOrSetFuncLock(key string, f func() interface{}) *gvar.Var

GetVarOrSetFuncLock returns a gvar.Var with result from GetOrSetFuncLock. The returned gvar.Var is un-concurrent safe.

func (*StrAnyMap) IsEmpty 

func (m *StrAnyMap) IsEmpty() bool

IsEmpty checks whether the map is empty. It returns true if map is empty, or else false.

func (*StrAnyMap) Iterator 

func (m *StrAnyMap) Iterator(f func(k string, v interface{}) bool)

Iterator iterates the hash map with custom callback function <f>. If <f> returns true, then it continues iterating; or false to stop.

func (*StrAnyMap) Keys 

func (m *StrAnyMap) Keys() []string

Keys returns all keys of the map as a slice.

func (*StrAnyMap) LockFunc 

func (m *StrAnyMap) LockFunc(f func(m map[string]interface{}))

LockFunc locks writing with given callback function <f> within RWMutex.Lock.

func (*StrAnyMap) Map 

func (m *StrAnyMap) Map() map[string]interface{}

Map returns a copy of the data of the hash map.

func (*StrAnyMap) MarshalJSON 

func (m *StrAnyMap) MarshalJSON() ([]byte, error)

MarshalJSON implements the interface MarshalJSON for json.Marshal.

func (*StrAnyMap) Merge 

func (m *StrAnyMap) Merge(other *StrAnyMap)

Merge merges two hash maps. The <other> map will be merged into the map <m>.

func (*StrAnyMap) RLockFunc 

func (m *StrAnyMap) RLockFunc(f func(m map[string]interface{}))

RLockFunc locks reading with given callback function <f> within RWMutex.RLock.

func (*StrAnyMap) Remove 

func (m *StrAnyMap) Remove(key string) interface{}

Remove deletes value from map by given <key>, and return this deleted value.

func (*StrAnyMap) Removes 

func (m *StrAnyMap) Removes(keys []string)

Removes batch deletes values of the map by keys.

func (*StrAnyMap) Search 

func (m *StrAnyMap) Search(key string) (value interface{}, found bool)

Search searches the map with given <key>. Second return parameter <found> is true if key was found, otherwise false.

func (*StrAnyMap) Set 

func (m *StrAnyMap) Set(key string, val interface{})

Set sets key-value to the hash map.

func (*StrAnyMap) SetIfNotExist 

func (m *StrAnyMap) SetIfNotExist(key string, value interface{}) bool

SetIfNotExist sets <value> to the map if the <key> does not exist, then return true. It returns false if <key> exists, and <value> would be ignored.

func (*StrAnyMap) SetIfNotExistFunc 

func (m *StrAnyMap) SetIfNotExistFunc(key string, f func() interface{}) bool

SetIfNotExistFunc sets value with return value of callback function <f>, then return true. It returns false if <key> exists, and <value> would be ignored.

func (*StrAnyMap) SetIfNotExistFuncLock 

func (m *StrAnyMap) SetIfNotExistFuncLock(key string, f func() interface{}) bool

SetIfNotExistFuncLock sets value with return value of callback function <f>, then return true. It returns false if <key> exists, and <value> would be ignored.

SetIfNotExistFuncLock differs with SetIfNotExistFunc function is that it executes function <f> with mutex.Lock of the hash map.

func (*StrAnyMap) Sets 

func (m *StrAnyMap) Sets(data map[string]interface{})

Sets batch sets key-values to the hash map.

func (*StrAnyMap) Size 

func (m *StrAnyMap) Size() int

Size returns the size of the map.

func (*StrAnyMap) Values 

func (m *StrAnyMap) Values() []interface{}

Values returns all values of the map as a slice.

type StrIntMap 

type StrIntMap struct {
	// contains filtered or unexported fields
}

func NewStrIntMap 

func NewStrIntMap(unsafe ...bool) *StrIntMap

NewStrIntMap returns an empty StrIntMap object. The parameter <unsafe> used to specify whether using map in un-concurrent-safety, which is false in default, means concurrent-safe.

func NewStrIntMapFrom 

func NewStrIntMapFrom(data map[string]int, unsafe ...bool) *StrIntMap

NewStrIntMapFrom returns a hash map from given map <data>. Note that, the param <data> map will be set as the underlying data map(no deep copy), there might be some concurrent-safe issues when changing the map outside.

func (*StrIntMap) Clear 

func (m *StrIntMap) Clear()

Clear deletes all data of the map, it will remake a new underlying data map.

func (*StrIntMap) Clone 

func (m *StrIntMap) Clone() *StrIntMap

Clone returns a new hash map with copy of current map data.

func (*StrIntMap) Contains 

func (m *StrIntMap) Contains(key string) bool

Contains checks whether a key exists. It returns true if the <key> exists, or else false.

func (*StrIntMap) Flip 

func (m *StrIntMap) Flip()

Flip exchanges key-value of the map to value-key.

func (*StrIntMap) Get 

func (m *StrIntMap) Get(key string) int

Get returns the value by given <key>.

func (*StrIntMap) GetOrSet 

func (m *StrIntMap) GetOrSet(key string, value int) int

GetOrSet returns the value by key, or set value with given <value> if not exist and returns this value.

func (*StrIntMap) GetOrSetFunc 

func (m *StrIntMap) GetOrSetFunc(key string, f func() int) int

GetOrSetFunc returns the value by key, or sets value with return value of callback function <f> if not exist and returns this value.

func (*StrIntMap) GetOrSetFuncLock 

func (m *StrIntMap) GetOrSetFuncLock(key string, f func() int) int

GetOrSetFuncLock returns the value by key, or sets value with return value of callback function <f> if not exist and returns this value.

GetOrSetFuncLock differs with GetOrSetFunc function is that it executes function <f> with mutex.Lock of the hash map.

func (*StrIntMap) IsEmpty 

func (m *StrIntMap) IsEmpty() bool

IsEmpty checks whether the map is empty. It returns true if map is empty, or else false.

func (*StrIntMap) Iterator 

func (m *StrIntMap) Iterator(f func(k string, v int) bool)

Iterator iterates the hash map with custom callback function <f>. If <f> returns true, then it continues iterating; or false to stop.

func (*StrIntMap) Keys 

func (m *StrIntMap) Keys() []string

Keys returns all keys of the map as a slice.

func (*StrIntMap) LockFunc 

func (m *StrIntMap) LockFunc(f func(m map[string]int))

LockFunc locks writing with given callback function <f> within RWMutex.Lock.

func (*StrIntMap) Map 

func (m *StrIntMap) Map() map[string]int

Map returns a copy of the data of the hash map.

func (*StrIntMap) MarshalJSON 

func (m *StrIntMap) MarshalJSON() ([]byte, error)

MarshalJSON implements the interface MarshalJSON for json.Marshal.

func (*StrIntMap) Merge 

func (m *StrIntMap) Merge(other *StrIntMap)

Merge merges two hash maps. The <other> map will be merged into the map <m>.

func (*StrIntMap) RLockFunc 

func (m *StrIntMap) RLockFunc(f func(m map[string]int))

RLockFunc locks reading with given callback function <f> within RWMutex.RLock.

func (*StrIntMap) Remove 

func (m *StrIntMap) Remove(key string) int

Remove deletes value from map by given <key>, and return this deleted value.

func (*StrIntMap) Removes 

func (m *StrIntMap) Removes(keys []string)

Removes batch deletes values of the map by keys.

func (*StrIntMap) Search 

func (m *StrIntMap) Search(key string) (value int, found bool)

Search searches the map with given <key>. Second return parameter <found> is true if key was found, otherwise false.

func (*StrIntMap) Set 

func (m *StrIntMap) Set(key string, val int)

Set sets key-value to the hash map.

func (*StrIntMap) SetIfNotExist 

func (m *StrIntMap) SetIfNotExist(key string, value int) bool

SetIfNotExist sets <value> to the map if the <key> does not exist, then return true. It returns false if <key> exists, and <value> would be ignored.

func (*StrIntMap) SetIfNotExistFunc 

func (m *StrIntMap) SetIfNotExistFunc(key string, f func() int) bool

SetIfNotExistFunc sets value with return value of callback function <f>, then return true. It returns false if <key> exists, and <value> would be ignored.

func (*StrIntMap) SetIfNotExistFuncLock 

func (m *StrIntMap) SetIfNotExistFuncLock(key string, f func() int) bool

SetIfNotExistFuncLock sets value with return value of callback function <f>, then return true. It returns false if <key> exists, and <value> would be ignored.

SetIfNotExistFuncLock differs with SetIfNotExistFunc function is that it executes function <f> with mutex.Lock of the hash map.

func (*StrIntMap) Sets 

func (m *StrIntMap) Sets(data map[string]int)

Sets batch sets key-values to the hash map.

func (*StrIntMap) Size 

func (m *StrIntMap) Size() int

Size returns the size of the map.

func (*StrIntMap) Values 

func (m *StrIntMap) Values() []int

Values returns all values of the map as a slice.

type StrStrMap 

type StrStrMap struct {
	// contains filtered or unexported fields
}

func NewStrStrMap 

func NewStrStrMap(unsafe ...bool) *StrStrMap

NewStrStrMap returns an empty StrStrMap object. The parameter <unsafe> used to specify whether using map in un-concurrent-safety, which is false in default, means concurrent-safe.

func NewStrStrMapFrom 

func NewStrStrMapFrom(data map[string]string, unsafe ...bool) *StrStrMap

NewStrStrMapFrom returns a hash map from given map <data>. Note that, the param <data> map will be set as the underlying data map(no deep copy), there might be some concurrent-safe issues when changing the map outside.

func (*StrStrMap) Clear 

func (m *StrStrMap) Clear()

Clear deletes all data of the map, it will remake a new underlying data map.

func (*StrStrMap) Clone 

func (m *StrStrMap) Clone() *StrStrMap

Clone returns a new hash map with copy of current map data.

func (*StrStrMap) Contains 

func (m *StrStrMap) Contains(key string) bool

Contains checks whether a key exists. It returns true if the <key> exists, or else false.

func (*StrStrMap) Flip 

func (m *StrStrMap) Flip()

Flip exchanges key-value of the map to value-key.

func (*StrStrMap) Get 

func (m *StrStrMap) Get(key string) string

Get returns the value by given <key>.

func (*StrStrMap) GetOrSet 

func (m *StrStrMap) GetOrSet(key string, value string) string

GetOrSet returns the value by key, or set value with given <value> if not exist and returns this value.

func (*StrStrMap) GetOrSetFunc 

func (m *StrStrMap) GetOrSetFunc(key string, f func() string) string

GetOrSetFunc returns the value by key, or sets value with return value of callback function <f> if not exist and returns this value.

func (*StrStrMap) GetOrSetFuncLock 

func (m *StrStrMap) GetOrSetFuncLock(key string, f func() string) string

GetOrSetFuncLock returns the value by key, or sets value with return value of callback function <f> if not exist and returns this value.

GetOrSetFuncLock differs with GetOrSetFunc function is that it executes function <f> with mutex.Lock of the hash map.

func (*StrStrMap) IsEmpty 

func (m *StrStrMap) IsEmpty() bool

IsEmpty checks whether the map is empty. It returns true if map is empty, or else false.

func (*StrStrMap) Iterator 

func (m *StrStrMap) Iterator(f func(k string, v string) bool)

Iterator iterates the hash map with custom callback function <f>. If <f> returns true, then it continues iterating; or false to stop.

func (*StrStrMap) Keys 

func (m *StrStrMap) Keys() []string

Keys returns all keys of the map as a slice.

func (*StrStrMap) LockFunc 

func (m *StrStrMap) LockFunc(f func(m map[string]string))

LockFunc locks writing with given callback function <f> within RWMutex.Lock.

func (*StrStrMap) Map 

func (m *StrStrMap) Map() map[string]string

Map returns a copy of the data of the hash map.

func (*StrStrMap) MarshalJSON 

func (m *StrStrMap) MarshalJSON() ([]byte, error)

MarshalJSON implements the interface MarshalJSON for json.Marshal.

func (*StrStrMap) Merge 

func (m *StrStrMap) Merge(other *StrStrMap)

Merge merges two hash maps. The <other> map will be merged into the map <m>.

func (*StrStrMap) RLockFunc 

func (m *StrStrMap) RLockFunc(f func(m map[string]string))

RLockFunc locks reading with given callback function <f> within RWMutex.RLock.

func (*StrStrMap) Remove 

func (m *StrStrMap) Remove(key string) string

Remove deletes value from map by given <key>, and return this deleted value.

func (*StrStrMap) Removes 

func (m *StrStrMap) Removes(keys []string)

Removes batch deletes values of the map by keys.

func (*StrStrMap) Search 

func (m *StrStrMap) Search(key string) (value string, found bool)

Search searches the map with given <key>. Second return parameter <found> is true if key was found, otherwise false.

func (*StrStrMap) Set 

func (m *StrStrMap) Set(key string, val string)

Set sets key-value to the hash map.

func (*StrStrMap) SetIfNotExist 

func (m *StrStrMap) SetIfNotExist(key string, value string) bool

SetIfNotExist sets <value> to the map if the <key> does not exist, then return true. It returns false if <key> exists, and <value> would be ignored.

func (*StrStrMap) SetIfNotExistFunc 

func (m *StrStrMap) SetIfNotExistFunc(key string, f func() string) bool

SetIfNotExistFunc sets value with return value of callback function <f>, then return true. It returns false if <key> exists, and <value> would be ignored.

func (*StrStrMap) SetIfNotExistFuncLock 

func (m *StrStrMap) SetIfNotExistFuncLock(key string, f func() string) bool

SetIfNotExistFuncLock sets value with return value of callback function <f>, then return true. It returns false if <key> exists, and <value> would be ignored.

SetIfNotExistFuncLock differs with SetIfNotExistFunc function is that it executes function <f> with mutex.Lock of the hash map.

func (*StrStrMap) Sets 

func (m *StrStrMap) Sets(data map[string]string)

Sets batch sets key-values to the hash map.

func (*StrStrMap) Size 

func (m *StrStrMap) Size() int

Size returns the size of the map.

func (*StrStrMap) Values 

func (m *StrStrMap) Values() []string

Values returns all values of the map as a slice.

type TreeMap 

type TreeMap = gtree.RedBlackTree

Map based on red-black tree, alias of RedBlackTree.

func NewTreeMap 

func NewTreeMap(comparator func(v1, v2 interface{}) int, unsafe ...bool) *TreeMap

NewTreeMap instantiates a tree map with the custom comparator. The parameter <unsafe> used to specify whether using tree in un-concurrent-safety, which is false in default.

func NewTreeMapFrom 

func NewTreeMapFrom(comparator func(v1, v2 interface{}) int, data map[interface{}]interface{}, unsafe ...bool) *TreeMap

NewTreeMapFrom instantiates a tree map with the custom comparator and <data> map. Note that, the param <data> map will be set as the underlying data map(no deep copy), there might be some concurrent-safe issues when changing the map outside. The parameter <unsafe> used to specify whether using tree in un-concurrent-safety, which is false in default.

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