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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/interface/returntype.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/interface/returntype.go')
-rw-r--r-- | test/interface/returntype.go | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/test/interface/returntype.go b/test/interface/returntype.go new file mode 100644 index 0000000..4d86f39 --- /dev/null +++ b/test/interface/returntype.go @@ -0,0 +1,38 @@ +// run + +// Copyright 2009 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. + +// Test interface methods with different return types are distinct. + +package main + +type S struct { a int } +type T struct { b string } + +func (s *S) Name() int8 { return 1 } +func (t *T) Name() int64 { return 64 } + +type I1 interface { Name() int8 } +type I2 interface { Name() int64 } + +func main() { + shouldPanic(p1) +} + +func p1() { + var i1 I1 + var s *S + i1 = s + print(i1.(I2).Name()) +} + +func shouldPanic(f func()) { + defer func() { + if recover() == nil { + panic("function should panic") + } + }() + f() +} |