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
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