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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-16 19:23:18 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-16 19:23:18 +0000 |
commit | 43a123c1ae6613b3efeed291fa552ecd909d3acf (patch) | |
tree | fd92518b7024bc74031f78a1cf9e454b65e73665 /test/typeparam/issue48042.go | |
parent | Initial commit. (diff) | |
download | golang-1.20-43a123c1ae6613b3efeed291fa552ecd909d3acf.tar.xz golang-1.20-43a123c1ae6613b3efeed291fa552ecd909d3acf.zip |
Adding upstream version 1.20.14.upstream/1.20.14upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'test/typeparam/issue48042.go')
-rw-r--r-- | test/typeparam/issue48042.go | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/test/typeparam/issue48042.go b/test/typeparam/issue48042.go new file mode 100644 index 0000000..1cfbfbe --- /dev/null +++ b/test/typeparam/issue48042.go @@ -0,0 +1,77 @@ +// run + +// 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" + "reflect" +) + +type G[T any] interface { + g() func()(*T) +} +type Foo[T any] struct { + +} +// OCALL +func (l *Foo[T]) f1() (*T) { + return g[T]()() +} +// OCALLFUNC +func (l *Foo[T]) f2() (*T) { + var f = g[T] + return f()() +} +// OCALLMETH +func (l *Foo[T]) f3() (*T) { + return l.g()() +} +// OCALLINTER +func (l *Foo[T]) f4() (*T) { + var g G[T] = l + return g.g()() +} +// ODYNAMICDOTTYPE +func (l *Foo[T]) f5() (*T) { + var x interface{} + x = g[T] + return x.(func()func()(*T))()() +} +func (l *Foo[T]) g() func() (*T) { + return func() (*T) { + t := new(T) + reflect.ValueOf(t).Elem().SetInt(100) + return t + } +} +func g[T any]() func() (*T) { + return func() (*T) { + t := new(T) + reflect.ValueOf(t).Elem().SetInt(100) + return t + } +} + +func main() { + foo := Foo[int]{} + // Make sure the function conversion is correct + if n := *(foo.f1()) ; n != 100{ + panic(fmt.Sprintf("%v",n)) + } + if n := *(foo.f2()) ; n != 100{ + panic(fmt.Sprintf("%v",n)) + } + if n := *(foo.f3()) ; n != 100{ + panic(fmt.Sprintf("%v",n)) + } + if n := *(foo.f4()) ; n != 100{ + panic(fmt.Sprintf("%v",n)) + } + if n := *(foo.f5()) ; n != 100{ + panic(fmt.Sprintf("%v",n)) + } +}
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