summaryrefslogtreecommitdiffstats
path: root/test/blank1.go
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-16 19:23:18 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-16 19:23:18 +0000
commit43a123c1ae6613b3efeed291fa552ecd909d3acf (patch)
treefd92518b7024bc74031f78a1cf9e454b65e73665 /test/blank1.go
parentInitial commit. (diff)
downloadgolang-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/blank1.go')
-rw-r--r--test/blank1.go32
1 files changed, 32 insertions, 0 deletions
diff --git a/test/blank1.go b/test/blank1.go
new file mode 100644
index 0000000..815a7e9
--- /dev/null
+++ b/test/blank1.go
@@ -0,0 +1,32 @@
+// 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.
+
+// Test that incorrect uses of the blank identifier are caught.
+// Does not compile.
+
+package _ // ERROR "invalid package name"
+
+var t struct {
+ _ int
+}
+
+func (x int) _() { // ERROR "methods on non-local type"
+ println(x)
+}
+
+type T struct {
+ _ []int
+}
+
+func main() {
+ _() // ERROR "cannot use .* as value"
+ x := _+1 // ERROR "cannot use .* as value"
+ _ = x
+ _ = t._ // ERROR "cannot refer to blank field|invalid use of|t._ undefined"
+
+ var v1, v2 T
+ _ = v1 == v2 // ERROR "cannot be compared|non-comparable|cannot compare v1 == v2"
+}