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25 lines
584 B
Go
25 lines
584 B
Go
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// errorcheck
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// Copyright 2025 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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// Test weak pointers.
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package p
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import (
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"runtime"
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"weak"
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)
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// Adapted from example in https://github.com/golang/go/issues/67552#issuecomment-2639661220
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func conversion() {
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p := "hello"
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a := weak.Make(&p)
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b := (weak.Pointer[*byte])(a) // ERROR "cannot convert a \(variable of struct type weak\.Pointer\[string\]\) to type weak.Pointer\[\*byte\]"
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c := b.Value()
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println(**c)
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runtime.KeepAlive(p)
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}
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