1
0
mirror of https://github.com/golang/go synced 2024-11-14 14:20:30 -07:00
go/test/typeparam/min.go
Dan Scales 370ff5ff96 [dev.typeparams] test: update all the typeparam tests to use the new union/tilde syntax
Did a mix of tilde and non-tilde usage. Tilde notation is not quite
fully functional, so no tests are currently trying to distinguish
(fail/not fail) based on tilde usage.

Change-Id: Ib50cec2fc0684f9d9f3561c889fd44c7a7af458c
Reviewed-on: https://go-review.googlesource.com/c/go/+/324572
Trust: Dan Scales <danscales@google.com>
Trust: Robert Griesemer <gri@golang.org>
Run-TryBot: Dan Scales <danscales@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Robert Griesemer <gri@golang.org>
2021-06-03 16:05:22 +00:00

51 lines
993 B
Go

// 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))
}
}