// 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.
// We should not suggest removing type arguments if doing so would change the
// resulting type.
package a
func id[T any](t T) T { return t }
var _ = id[int](1) // want "unnecessary type arguments"
var _ = id[string]("foo") // want "unnecessary type arguments"
var _ = id[int64](2)
func pair[T any](t T) (T, T) { return t, t }
var _, _ = pair[int](3) // want "unnecessary type arguments"
var _, _ = pair[int64](3)
func noreturn[T any](t T) {}
func _() {
noreturn[int64](4)
noreturn[int](4) // want "unnecessary type arguments"
}