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package slices
// Map applies given function to every value of slice
func Map[S ~[]T, T, M any](s S, fn func(T) M) []M {
if s == nil {
return []M(nil)
}
if len(s) == 0 {
return make([]M, 0)
}
res := make([]M, len(s))
for i, v := range s {
res[i] = fn(v)
}
return res
}
// Mutate is like Map, but it prohibits type changes and modifies original slice.
func Mutate[S ~[]T, T any](s S, fn func(T) T) S {
if len(s) == 0 {
return s
}
for i, v := range s {
s[i] = fn(v)
}
return s
}
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