utils

Documentation

Index

• func Coalesce[T comparable](arr ...T) T
• func Deref[T any](v *T) T
• func GetEnvOrDefault(names ...string) string
• func Interpolate(arg string, vars interface{}) string
• func InterpolateStrings(arg []string, vars interface{}) []string
• func NormalizeVersion(version string) string
• func Ptr[T any](value T) *T
• func RandomKey(length int) string
• func RandomString(length int) string
• func ShortTimestamp() string
• func Stringify(val any) (string, error)
• type NamedLock
  • func (n *NamedLock) TryLock(name string, timeout time.Duration) Unlocker
• type Unlocker

Functions

func Coalesce

func Coalesce[T comparable](arr ...T) T

Coalesce returns the first non-zero element

func Deref

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

func GetEnvOrDefault

func GetEnvOrDefault(names ...string) string

GetEnvOrDefault returns the first non-empty environment variable

func Interpolate

func Interpolate(arg string, vars interface{}) string

Interpolate templatises the string using the vars as the context

func InterpolateStrings

func InterpolateStrings(arg []string, vars interface{}) []string

InterpolateStrings templatises each string in the slice using the vars as the context

func NormalizeVersion

func NormalizeVersion(version string) string

NormalizeVersion appends "v" to version string if it's not exist

func Ptr

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

func RandomKey

func RandomKey(length int) string

func RandomString

func RandomString(length int) string

RandomString returns a random string consisting of the characters in randomChars, with the length customized by the parameter

func ShortTimestamp

func ShortTimestamp() string

ShortTimestamp returns a shortened timestamp using week of year + day of week to represent a day of the e.g. 1st of Jan on a Tuesday is 13

func Stringify

func Stringify(val any) (string, error)

Stringify converts the given value to a string. If the value is already a string, it is returned as is.

Types

type NamedLock

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

func (*NamedLock) TryLock

func (n *NamedLock) TryLock(name string, timeout time.Duration) Unlocker

type Unlocker

type Unlocker interface {
	Release()
}