util

package module

v0.0.1 Latest Latest Go to latest Published: Jun 16, 2021 License: MIT Imports: 7 Imported by: 1

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func GenerateRandomId() string

func IntInSlice(n int, ns []int) bool

func Keys(m map[int][]string) []int

func Max(x, y int32) int32

func MergeIntSlices(a, b []int) []int

func MsgPackMarshal(v interface{}) ([]byte, error)

func MsgPackUnMarshal(data []byte, v interface{}) error

func ReadJsonBody(body io.ReadCloser, out interface{}) (err error)

read from ReadCloser and unmarshal to out; `out` should be of POINTER type

func StingInSlice(s string, ss []string) bool

func WithLock(lock sync.Locker, f func())

type Item interface {
	Weight() int32
	Value() int32
}

func PickItems(items []Item, capacity int32) (value int32, picked []Item)

Pick items to maximize value, within constrain of weight capacity