1 // Copyright 2021 The Go Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style 3 // license that can be found in the LICENSE file. 4 5 package main 6 7 func Map[F, T any](s []F, f func(F) T) []T { return nil } 8 9 func Reduce[Elem1, Elem2 any](s []Elem1, initializer Elem2, f func(Elem2, Elem1) Elem2) Elem2 { var x Elem2; return x } 10 11 func main() { 12 var s []int 13 var f1 func(int) float64 14 var f2 func(float64, int) float64 15 _ = Map[int](s, f1) 16 _ = Map(s, f1) 17 _ = Reduce[int](s, 0, f2) 18 _ = Reduce(s, 0, f2) 19 } 20