package crumbs

// Deep version of [slices.Clone]. Nil is preserved.
func DeepClone[S ~[]E, E interface{Clone() E}](s S) S {
    // NOTE(jfrech): 2024-05-25 [slices.Clone]'s documentation doesn't explicitly mention it, but its go1.22.3 implementation appears to preserve "nil".
    if s == nil {
        return nil
    }

    clone := make(S, len(s))
    for j := range s {
        clone[j] = s[j].Clone()
    }
    return clone
}