1// Package slices implements various slice algorithms.
2package slices
3
4// Map turns a []T1 to a []T2 using a mapping function.
5func Map[T1, T2 any](s []T1, f func(T1) T2) []T2 {
6 r := make([]T2, len(s))
7 for i, v := range s {
8 r[i] = f(v)
9 }
10 return r
11}
12
13// Reduce reduces a []T1 to a single value using a reduction function.
14func Reduce[T1, T2 any](s []T1, initializer T2, f func(T2, T1) T2) T2 {
15 r := initializer
16 for _, v := range s {
17 r = f(r, v)
18 }
19 return r
20}
21
22// Filter filters values from a slice using a filter function.
23func Filter[T any](s []T, f func(T) bool) []T {
24 var r []T
25 for _, v := range s {
26 if f(v) {
27 r = append(r, v)
28 }
29 }
30 return r
31}
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