wp-go/helper/slice/sort.go

43 lines
652 B
Go
Raw Normal View History

2023-01-21 11:31:23 +00:00
package slice
import "sort"
type anyArr[T any] struct {
data []T
fn func(i, j T) bool
}
func (r anyArr[T]) Len() int {
return len(r.data)
}
func (r anyArr[T]) Swap(i, j int) {
r.data[i], r.data[j] = r.data[j], r.data[i]
}
func (r anyArr[T]) Less(i, j int) bool {
return r.fn(r.data[i], r.data[j])
}
func SortSelf[T any](arr []T, fn func(i, j T) bool) {
slice := anyArr[T]{
data: arr,
fn: fn,
}
sort.Sort(slice)
return
}
func Sort[T any](arr []T, fn func(i, j T) bool) (r []T) {
r = make([]T, 0, len(arr))
for _, t := range arr {
r = append(r, t)
}
slice := anyArr[T]{
data: r,
fn: fn,
}
sort.Sort(slice)
return
}