// run -gcflags=-G=3 // Copyright 2021 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package main import ( "fmt" ) type Ordered interface { ~int | ~int64 | ~float64 | ~string } func min[T Ordered](x, y T) T { if x < y { return x } return y } func main() { const want = 2 if got := min[int](2, 3); got != want { panic(fmt.Sprintf("got %d, want %d", got, want)) } if got := min(2, 3); got != want { panic(fmt.Sprintf("want %d, got %d", want, got)) } if got := min[float64](3.5, 2.0); got != want { panic(fmt.Sprintf("got %d, want %d", got, want)) } if got := min(3.5, 2.0); got != want { panic(fmt.Sprintf("got %d, want %d", got, want)) } const want2 = "ay" if got := min[string]("bb", "ay"); got != want2 { panic(fmt.Sprintf("got %d, want %d", got, want2)) } if got := min("bb", "ay"); got != want2 { panic(fmt.Sprintf("got %d, want %d", got, want2)) } }