go issue47258 源码
golang issue47258 代码
文件路径：/test/typeparam/issue47258.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.
package main
import (
"fmt"
)
type Numeric interface {
int32 | int64 | float64 | complex64
}
//go:noline
func inc[T Numeric](x T) T {
x++
return x
}
func main() {
if got, want := inc(int32(5)), int32(6); got != want {
panic(fmt.Sprintf("got %d, want %d", got, want))
}
if got, want := inc(float64(5)), float64(6.0); got != want {
panic(fmt.Sprintf("got %d, want %d", got, want))
}
if got, want := inc(complex64(5)), complex64(6.0); got != want {
panic(fmt.Sprintf("got %d, want %d", got, want))
}
}
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