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go/test/typeparam/issue47258.go
Matthew Dempsky 5355753009 [dev.typeparams] test/typeparam: gofmt -w
We don't usually reformat the test directory, but all of the files in
test/typeparam are syntactically valid. I suspect the misformattings
here are because developers aren't re-installing gofmt with
-tags=typeparams, not intentionally exercising non-standard
formatting.

Change-Id: I3767d480434c19225568f3c7d656dc8589197183
Reviewed-on: https://go-review.googlesource.com/c/go/+/338093
Trust: Matthew Dempsky <mdempsky@google.com>
Trust: Robert Griesemer <gri@golang.org>
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Robert Griesemer <gri@golang.org>
2021-07-28 21:40:40 +00:00

33 lines
700 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 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))
}
}