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07a7c6f904
Change-Id: Icabef5cf75770ffde012b1fc785a72f53f9b2c46 Reviewed-on: https://go-review.googlesource.com/c/go/+/353669 Trust: Robert Griesemer <gri@golang.org> Trust: Daniel Martí <mvdan@mvdan.cc> Run-TryBot: Robert Griesemer <gri@golang.org> TryBot-Result: Go Bot <gobot@golang.org> Reviewed-by: Daniel Martí <mvdan@mvdan.cc>
55 lines
891 B
Go
55 lines
891 B
Go
// run -gcflags=-G=3
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// Copyright 2021 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// Smoke test for constraint literals with elided interface
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// per issue #48424.
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package main
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func identity[T int](x T) T {
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return x
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}
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func min[T int|string](x, y T) T {
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if x < y {
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return x
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}
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return y
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}
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func max[T ~float64](x, y T) T {
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if x > y {
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return x
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}
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return y
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}
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func main() {
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if identity(1) != 1 {
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panic("identity(1) failed")
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}
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if min(2, 3) != 2 {
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panic("min(2, 3) failed")
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}
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if min("foo", "bar") != "bar" {
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panic(`min("foo", "bar") failed`)
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}
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if max(2, 3) != 3 {
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panic("max(2, 3) failed")
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}
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}
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// Some random type parameter lists with elided interfaces.
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type (
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_ [T struct{}] struct{}
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_ [M map[K]V, K comparable, V any] struct{}
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_ [_ interface{}|int] struct{}
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)
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