| // FIXME(thaJeztah): remove once we are a module; the go:build directive prevents go from downgrading language version to go1.16: |
| //go:build go1.21 |
| |
| package sliceutil |
| |
| func Dedup[T comparable](slice []T) []T { |
| keys := make(map[T]struct{}) |
| out := make([]T, 0, len(slice)) |
| for _, s := range slice { |
| if _, ok := keys[s]; !ok { |
| out = append(out, s) |
| keys[s] = struct{}{} |
| } |
| } |
| return out |
| } |
| |
| func Map[S ~[]In, In, Out any](s S, fn func(In) Out) []Out { |
| res := make([]Out, len(s)) |
| for i, v := range s { |
| res[i] = fn(v) |
| } |
| return res |
| } |
| |
| func Mapper[In, Out any](fn func(In) Out) func([]In) []Out { |
| return func(s []In) []Out { |
| res := make([]Out, len(s)) |
| for i, v := range s { |
| res[i] = fn(v) |
| } |
| return res |
| } |
| } |