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// 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
func foo[T any](d T) {
switch v := interface{}(d).(type) {
case string:
if v != "x" {
panic("unexpected v: " + v)
}
}
}
func main() {
foo("x")
}
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