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helper.go
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/
helper.go
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package helper
import "strings"
func Uniq[T comparable](arr []T) []T {
var m = make(map[T]struct{}, len(arr))
var list = make([]T, 0, len(arr))
for _, item := range arr {
m[item] = struct{}{}
}
for k, _ := range m {
list = append(list, k)
}
return list
}
// Split 分割字符串(空值将会被过滤掉)
func Split(s string, sep string) []string {
var list = strings.Split(s, sep)
var j = 0
for _, v := range list {
if v = strings.TrimSpace(v); v != "" {
list[j] = v
j++
}
}
return list[:j]
}
func Clone[T any, A ~[]T](a A) A {
return append(A(nil), a...)
}
// Filter 过滤器
func Filter[T any, A ~[]T](arr A, check func(i int, v T) bool) A {
var results = make([]T, 0, len(arr))
for i, v := range arr {
if check(i, v) {
results = append(results, arr[i])
}
}
return results
}