mirror of
https://github.com/golang/go
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40 lines
630 B
Go
40 lines
630 B
Go
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// 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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package main
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import (
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"fmt"
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"unsafe"
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)
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type S[T any] struct {
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val T
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}
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// Test type substitution where base type is unsafe.Pointer
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type U[T any] unsafe.Pointer
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func test[T any]() T {
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var q U[T]
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var v struct {
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// Test derived type that contains an unsafe.Pointer
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p unsafe.Pointer
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val T
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}
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_ = q
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return v.val
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}
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func main() {
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want := 0
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got := test[int]()
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if got != want {
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panic(fmt.Sprintf("got %f, want %f", got, want))
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}
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}
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