mirror of
https://github.com/golang/go
synced 2024-11-11 20:20:23 -07:00
e24977d231
The next CL will remove the -G flag, effectively hard-coding it to its current default (-G=3). Change-Id: Ib4743b529206928f9f1cca9fdb19989728327831 Reviewed-on: https://go-review.googlesource.com/c/go/+/388534 Reviewed-by: Keith Randall <khr@golang.org> Trust: Matthew Dempsky <mdempsky@google.com> Run-TryBot: Matthew Dempsky <mdempsky@google.com> TryBot-Result: Gopher Robot <gobot@golang.org>
55 lines
877 B
Go
55 lines
877 B
Go
// run
|
|
|
|
// 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.
|
|
|
|
// Smoke test for constraint literals with elided interface
|
|
// per issue #48424.
|
|
|
|
package main
|
|
|
|
func identity[T int](x T) T {
|
|
return x
|
|
}
|
|
|
|
func min[T int|string](x, y T) T {
|
|
if x < y {
|
|
return x
|
|
}
|
|
return y
|
|
}
|
|
|
|
func max[T ~float64](x, y T) T {
|
|
if x > y {
|
|
return x
|
|
}
|
|
return y
|
|
}
|
|
|
|
func main() {
|
|
if identity(1) != 1 {
|
|
panic("identity(1) failed")
|
|
}
|
|
|
|
if min(2, 3) != 2 {
|
|
panic("min(2, 3) failed")
|
|
}
|
|
|
|
if min("foo", "bar") != "bar" {
|
|
panic(`min("foo", "bar") failed`)
|
|
}
|
|
|
|
if max(2, 3) != 3 {
|
|
panic("max(2, 3) failed")
|
|
}
|
|
}
|
|
|
|
// Some random type parameter lists with elided interfaces.
|
|
|
|
type (
|
|
_ [T struct{}] struct{}
|
|
_ [M map[K]V, K comparable, V any] struct{}
|
|
_ [_ interface{}|int] struct{}
|
|
)
|