utils

func ApplyOptions ¶

func ApplyOptions[C any, F ~func(*C)](cfg *C, opts ...F) *C

ApplyOptions ...

func BuildConfig ¶

func BuildConfig[C any, F ~func(*C)](opts []F) *C

BuildConfig ...

func Cast ¶

func Cast[T any](origin any) (T, bool)

Cast ...

func CastInto ¶

func CastInto[T any](origin any, into *T) bool

CastInto ...

func Default ¶

func Default[T any](v *T, d T) T

Default return the value of "v" if not nil, otherwise return the default "d" value

func EnsureRange ¶

func EnsureRange(min, max int64) (int64, int64)

EnsureRange ensure min is smaller or equal to max

func Find ¶

func Find[T any](arr []T, predicate func(T) bool) (out *T)

Find looks through each value in the list, returning the first one that passes a truth test (predicate), or nil if no value passes the test. The function returns as soon as it finds an acceptable element, and doesn't traverse the entire list

func FindIdx ¶

func FindIdx[T any](arr []T, predicate func(T) bool) (*T, int)

FindIdx ...

func FindIdxIter ¶

func FindIdxIter[T any](it iter.Seq[T], predicate func(T) bool) (*T, int)

FindIdxIter ...

func FindIter ¶

func FindIter[T any](it iter.Seq[T], predicate func(T) bool) (out *T)

FindIter ...

func First ¶

func First[T any](a T, _ ...any) T

First returns the first argument

func ForEach ¶

func ForEach[T any](arr []T, clb func(T))

ForEach ...

func NewAtomicPtr ¶

func NewAtomicPtr[T any](v *T) atomic.Pointer[T]

NewAtomicPtr ...

func NonBlockingSend ¶

func NonBlockingSend[T any](c chan T, el T)

NonBlockingSend ...

func Or ¶

func Or[T comparable](a, b T) (zero T)

Or return "a" if it is non-zero otherwise "b"

func ParallelForEach ¶

func ParallelForEach[T any](ctx context.Context, s iter.Seq[T], workerCount int, fn func(T))

ParallelForEach ...

func Ptr ¶

func Ptr[T any](v T) *T

Ptr ...

func RandDuration ¶

func RandDuration(min, max time.Duration) time.Duration

RandDuration generates random duration

func Random ¶

func Random(min, max int64) (out int64)

Random generates a number between min and max inclusively

func RandomFrom ¶

func RandomFrom(r *rand.Rand, min, max int64) int64

func Second ¶

func Second[T any](_ any, a T, _ ...any) T

Second returns the second argument

func ShortDur ¶

func ShortDur(v any) string

ShortDur ...

func SliceSeq ¶

func SliceSeq[T any](s []T) iter.Seq[T]

func Some ¶

func Some[T any](arr []T, predicate func(T) bool) bool

Some returns true if any of the values in the list pass the predicate truth test. Short-circuits and stops traversing the list if a true element is found.

func SomeIter ¶

func SomeIter[T any](it iter.Seq[T], predicate func(T) bool) bool

SomeIter ...

func Ternary ¶

func Ternary[T any](predicate bool, a, b T) T

Ternary ...

func TernaryOrZero ¶

func TernaryOrZero[T any](predicate bool, a T) (zero T)

TernaryOrZero ...

func TryCast ¶

func TryCast[T any](origin any) bool

TryCast ...

func UuidV4 ¶

func UuidV4() (uuid [16]byte)

UuidV4 generates a new UUID v4

func UuidV4Str ¶

func UuidV4Str() string

UuidV4Str ...