rock

Documentation

Overview

Package rock As the cornerstone of implementing generic methods, implementing generic related operations with minimal dependencies.

Index

• func ExtractArrUnique[T constraints.ValueIterable](count int, arr []T) []T
• func ExtractParam[T any](defValue T, args ...T) T
• func ExtractParamFunc[T any](defFunc func() T, args ...T) T
• func ExtractParamIndex[T any](defValue T, index int, args ...T) T
• func InList[T constraints.Equable](list []T, value T) bool
• func ListIndex[T constraints.Equable](list []T, value T) (index int)
• func ListNoRepeat[T constraints.Equable](list []T) []T
• func MapAssign[K constraints.KeyIterable, V constraints.ValueIterable](source map[K]V, more ...map[K]V) map[K]V
• func MapFilter[K constraints.KeyIterable, V constraints.ValueIterable](kv map[K]V, filter []K) map[K]V
• func MapGenByKv[K constraints.KeyIterable, V constraints.ValueIterable](keys []K, values []V) (kv map[K]V)
• func MapKeys[T constraints.KeyIterable, X constraints.ValueIterable](vMap map[T]X) (keys []T)
• func MapSlice[K constraints.KeyIterable, V constraints.ValueIterable](kv map[K]V, filter []K) map[K]V
• func MapValues[T constraints.KeyIterable, X constraints.KeyIterable](vMap map[T]X) (values []X)

Functions

func ExtractArrUnique

func ExtractArrUnique[T constraints.ValueIterable](count int, arr []T) []T

ExtractArrUnique extracting array elements with loss (non-repeatable) from an array

func ExtractParam

func ExtractParam[T any](defValue T, args ...T) T

ExtractParam Extract indefinite parameters from functions and default code values

func ExtractParamFunc

func ExtractParamFunc[T any](defFunc func() T, args ...T) T

ExtractParamFunc Implementing parameter extraction through custom callback functions

func ExtractParamIndex

func ExtractParamIndex[T any](defValue T, index int, args ...T) T

ExtractParamIndex Extract indefinite parameters from functions and default code values and point index

index => [1, ..]

func InList

func InList[T constraints.Equable](list []T, value T) bool

InList determines whether a key value exists in the list

func ListIndex

func ListIndex[T constraints.Equable](list []T, value T) (index int)

ListIndex get index by search value from list

func ListNoRepeat

func ListNoRepeat[T constraints.Equable](list []T) []T

ListNoRepeat filter duplicate elements in list

func MapAssign

func MapAssign[K constraints.KeyIterable, V constraints.ValueIterable](source map[K]V, more ...map[K]V) map[K]V

MapAssign Merge multiple map parameters, where the same key value is the forward overwrite value.

And never return nil.

func MapFilter

func MapFilter[K constraints.KeyIterable, V constraints.ValueIterable](kv map[K]V, filter []K) map[K]V

MapFilter use the keys of map to filter itself

func MapGenByKv

func MapGenByKv[K constraints.KeyIterable, V constraints.ValueIterable](keys []K, values []V) (kv map[K]V)

MapGenByKv Create dictionary by key value pair array combination

func MapKeys

func MapKeys[T constraints.KeyIterable, X constraints.ValueIterable](vMap map[T]X) (keys []T)

MapKeys Extract the key name array of the dictionary

func MapSlice

func MapSlice[K constraints.KeyIterable, V constraints.ValueIterable](kv map[K]V, filter []K) map[K]V

MapSlice use the keys of map to slice itself

func MapValues

func MapValues[T constraints.KeyIterable, X constraints.KeyIterable](vMap map[T]X) (values []X)

MapValues Extract the values name array of the dictionary