collections

Documentation

Index

• func Contains[T comparable](l []T, target T) bool
• func Difference[T comparable](a, b []T) []T
• func Join[T constraints.Ordered](l []T, sep string) string
• func Keys[K comparable, V any](m map[K]V) []K
• func MaxCount[T comparable](a, b []T) int
• func Sum[T constraints.Integer | constraints.Float](l []T) T
• func Unique[T comparable](l []T) []T
• func Values[K comparable, V any](m map[K]V) []V

Functions

func Contains

func Contains[T comparable](l []T, target T) bool

Contains l 中是否包含 target

func Difference

func Difference[T comparable](a, b []T) []T

Difference 求差集 返回在 a 中，但是不在 b 中的集合

func Join

func Join[T constraints.Ordered](l []T, sep string) string

Join [1,2,3] -> 1_2_3

func Keys

func Keys[K comparable, V any](m map[K]V) []K

Keys {1:a, 2:b} -> [1, 2]

func MaxCount

func MaxCount[T comparable](a, b []T) int

func Sum

func Sum[T constraints.Integer | constraints.Float](l []T) T

Sum 计算总数 [1,2,3] -> 6

func Unique

func Unique[T comparable](l []T) []T

Unique set [1,1,2,3,3] -> [1,2,3]

func Values

func Values[K comparable, V any](m map[K]V) []V

Values {1:a, 2:b} -> [a, b]