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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:18:58 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:18:58 +0000
commita4b7ed7a42c716ab9f05e351f003d589124fd55d (patch)
treeb620cd3f223850b28716e474e80c58059dca5dd4 /tests/ui/issues/issue-15094.rs
parentAdding upstream version 1.67.1+dfsg1. (diff)
downloadrustc-a4b7ed7a42c716ab9f05e351f003d589124fd55d.tar.xz
rustc-a4b7ed7a42c716ab9f05e351f003d589124fd55d.zip
Adding upstream version 1.68.2+dfsg1.upstream/1.68.2+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/issues/issue-15094.rs')
-rw-r--r--tests/ui/issues/issue-15094.rs26
1 files changed, 26 insertions, 0 deletions
diff --git a/tests/ui/issues/issue-15094.rs b/tests/ui/issues/issue-15094.rs
new file mode 100644
index 000000000..cb27e2bcf
--- /dev/null
+++ b/tests/ui/issues/issue-15094.rs
@@ -0,0 +1,26 @@
+#![feature(fn_traits, unboxed_closures)]
+
+use std::{fmt, ops};
+
+struct Debuger<T> {
+ x: T
+}
+
+impl<T: fmt::Debug> ops::FnOnce<(),> for Debuger<T> {
+ type Output = ();
+ fn call_once(self, _args: ()) {
+ //~^ ERROR `call_once` has an incompatible type for trait
+ //~| expected signature `extern "rust-call" fn
+ //~| found signature `fn
+ println!("{:?}", self.x);
+ }
+}
+
+fn make_shower<T>(x: T) -> Debuger<T> {
+ Debuger { x: x }
+}
+
+pub fn main() {
+ let show3 = make_shower(3);
+ show3();
+}