mihomo/common/utils/slice.go

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package utils
import (
"errors"
"fmt"
"reflect"
)
func Filter[T comparable](tSlice []T, filter func(t T) bool) []T {
result := make([]T, 0)
for _, t := range tSlice {
if filter(t) {
result = append(result, t)
}
}
return result
}
func ToStringSlice(value any) ([]string, error) {
strArr := make([]string, 0)
switch reflect.TypeOf(value).Kind() {
case reflect.Slice, reflect.Array:
origin := reflect.ValueOf(value)
for i := 0; i < origin.Len(); i++ {
item := fmt.Sprintf("%v", origin.Index(i))
strArr = append(strArr, item)
}
case reflect.String:
strArr = append(strArr, fmt.Sprintf("%v", value))
default:
return nil, errors.New("value format error, must be string or array")
}
return strArr, nil
}