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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-16 19:19:13 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-16 19:19:13 +0000 |
commit | ccd992355df7192993c666236047820244914598 (patch) | |
tree | f00fea65147227b7743083c6148396f74cd66935 /test/interface/receiver1.go | |
parent | Initial commit. (diff) | |
download | golang-1.21-ccd992355df7192993c666236047820244914598.tar.xz golang-1.21-ccd992355df7192993c666236047820244914598.zip |
Adding upstream version 1.21.8.upstream/1.21.8
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'test/interface/receiver1.go')
-rw-r--r-- | test/interface/receiver1.go | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/test/interface/receiver1.go b/test/interface/receiver1.go new file mode 100644 index 0000000..a0a8753 --- /dev/null +++ b/test/interface/receiver1.go @@ -0,0 +1,59 @@ +// errorcheck + +// 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. + +// Verify compiler complains about missing implicit methods. +// Does not compile. + +package main + +type T int + +func (t T) V() +func (t *T) P() + +type V interface { + V() +} +type P interface { + P() + V() +} + +type S struct { + T +} +type SP struct { + *T +} + +func main() { + var t T + var v V + var p P + var s S + var sp SP + + v = t + p = t // ERROR "does not implement|requires a pointer|cannot use" + _, _ = v, p + v = &t + p = &t + _, _ = v, p + + v = s + p = s // ERROR "does not implement|requires a pointer|cannot use" + _, _ = v, p + v = &s + p = &s + _, _ = v, p + + v = sp + p = sp // no error! + _, _ = v, p + v = &sp + p = &sp + _, _ = v, p +} |