зеркало из https://github.com/CryptoPro/go.git
55 строки
930 B
Go
55 строки
930 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 ~int | ~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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