utils

package module

v1.0.0 Latest Latest Go to latest Published: Feb 23, 2019 License: MIT Imports: 9 Imported by: 2

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Repository

github.com/alexaandru/utils

Links

Open Source Insights

README ¶

Utils

Misc Go functions that didn't fit anywhere else :)

Documentation ¶

Index ¶

Constants
func AbsInt(a int) int
func ConstIntFunc(x int) func(int) int
func IdentIntFunc(i int) int
func IntsEq(a, b []int) bool
func IntsHas(a []int, n int) bool
func IntsSum(a []int) (sum int)
func LoadFile(fname string) (data string)
func LoadTwoStringsFromFile(fname string) (string, string)
func MaxInt(ints ...int) (m int)
func MaxIntIndex(ints ...int) (i int)
func MinInt(ints ...int) (m int)
func MinIntIndex(ints ...int) (i int)
func MultIntFunc(x int) func(int) int
func NewInts(size int, opts ...int) (out []int)
func ParseFloat(str string, opts ...int) (f float64)
func ParseInt(str string, opts ...int) (i int)
type BitArray
- func NewBitArray(size int) (ba *BitArray)
- func (ba *BitArray) IsSet(n int) bool
- func (ba *BitArray) SetBit(n int)
type FileHashes
- func FileHashesNew(root string) (hashes FileHashes)
- func (fh FileHashes) Diff(other FileHashes) (diff []string)
- func (fh FileHashes) Dump(fname string) (e error)
- func (fh FileHashes) Filter(fnames []string) (out FileHashes)
- func (fh FileHashes) Load(fname string)
- func (fh FileHashes) Reject(fnames []string) (out FileHashes)

Constants ¶

View Source

const Inf = int(MaxUint >> 1)

Inf = Plus Infinity

View Source

const MaxUint = ^uint(0)

MaxUint = Plus Infinity (unsigned)

View Source

const MinInf = -(Inf - 1)

MinInf = Minus Infinity

View Source

const MinUint = 0

MinUint = Minus Infinity (unsigned)

Variables ¶

This section is empty.

Functions ¶

func AbsInt ¶

func AbsInt(a int) int

AbsInt returns the absolute value of an int

func ConstIntFunc ¶

func ConstIntFunc(x int) func(int) int

ConstIntFunc returns a constant function

func IdentIntFunc ¶

func IdentIntFunc(i int) int

IdentIntFunc returns the identity function

func IntsEq ¶

func IntsEq(a, b []int) bool

IntsEq compares two []int (int slices) for equality

func IntsHas ¶

func IntsHas(a []int, n int) bool

IntsHas checks if "a" ints slice has a value of "n".

func IntsSum ¶

func IntsSum(a []int) (sum int)

IntsSum returns a sum of all ints in the slice.

func LoadFile ¶

func LoadFile(fname string) (data string)

LoadFile loads a file and returns it as a string, handling reading errors internally

func LoadTwoStringsFromFile ¶

func LoadTwoStringsFromFile(fname string) (string, string)

LoadTwoStringsFromFile loads the first two strings (separated by \n) from a file NOTE: Inefficient when you have (much) more than just two strings in a file.

func MaxInt ¶

func MaxInt(ints ...int) (m int)

MaxInt returns the maximum int from multiple given ints

func MaxIntIndex ¶

func MaxIntIndex(ints ...int) (i int)

MaxIntIndex returns the index corresponding to the maximum int

func MinInt ¶

func MinInt(ints ...int) (m int)

MinInt returns the minimum int from multiple given ints

func MinIntIndex ¶

func MinIntIndex(ints ...int) (i int)

MinIntIndex returns the index corresponding to the minimum int

func MultIntFunc ¶

func MultIntFunc(x int) func(int) int

MultIntFunc returns a constant multiplier function

func NewInts ¶

func NewInts(size int, opts ...int) (out []int)

NewInts returns a new []int, possibly initialized to some value (if given)

func ParseFloat ¶

func ParseFloat(str string, opts ...int) (f float64)

ParseFloat converts a float from a string representation to an actual float

func ParseInt ¶

func ParseInt(str string, opts ...int) (i int)

ParseInt converts an int from a string representation to an actual int

Types ¶

type BitArray ¶

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

func NewBitArray ¶

func NewBitArray(size int) (ba *BitArray)

func (*BitArray) IsSet ¶

func (ba *BitArray) IsSet(n int) bool

func (*BitArray) SetBit ¶

func (ba *BitArray) SetBit(n int)

type FileHashes ¶

type FileHashes map[string]string

FileHashes holds a map between file paths and their hashes

func FileHashesNew ¶

func FileHashesNew(root string) (hashes FileHashes)

FileHashesNew walks all the folders/files starting at "root".

func (FileHashes) Diff ¶

func (fh FileHashes) Diff(other FileHashes) (diff []string)

Diff computes the difference between two file hashes/maps.

func (FileHashes) Dump ¶

func (fh FileHashes) Dump(fname string) (e error)

Dump writes file hashes to disk.

func (FileHashes) Filter ¶

func (fh FileHashes) Filter(fnames []string) (out FileHashes)

Filter keeps only those FileHashes that are in fnames list.

func (FileHashes) Load ¶

func (fh FileHashes) Load(fname string)

Load reads file hashes from disk.

func (FileHashes) Reject ¶

func (fh FileHashes) Reject(fnames []string) (out FileHashes)

Reject returns all the FileHashes that are NOT in the fnames list.

Source Files ¶

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