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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
commit | 218caa410aa38c29984be31a5229b9fa717560ee (patch) | |
tree | c54bd55eeb6e4c508940a30e94c0032fbd45d677 /tests/ui/issues/issue-13323.rs | |
parent | Releasing progress-linux version 1.67.1+dfsg1-1~progress7.99u1. (diff) | |
download | rustc-218caa410aa38c29984be31a5229b9fa717560ee.tar.xz rustc-218caa410aa38c29984be31a5229b9fa717560ee.zip |
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/issues/issue-13323.rs')
-rw-r--r-- | tests/ui/issues/issue-13323.rs | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/tests/ui/issues/issue-13323.rs b/tests/ui/issues/issue-13323.rs new file mode 100644 index 000000000..71e14d4da --- /dev/null +++ b/tests/ui/issues/issue-13323.rs @@ -0,0 +1,58 @@ +// run-pass + +struct StrWrap { + s: String +} + +impl StrWrap { + fn new(s: &str) -> StrWrap { + StrWrap { s: s.to_string() } + } + + fn get_s<'a>(&'a self) -> &'a str { + &self.s + } +} + +struct MyStruct { + s: StrWrap +} + +impl MyStruct { + fn new(s: &str) -> MyStruct { + MyStruct { s: StrWrap::new(s) } + } + + fn get_str_wrap<'a>(&'a self) -> &'a StrWrap { + &self.s + } +} + +trait Matcher<T> { + fn matches(&self, actual: T) -> bool; +} + +fn assert_that<T, U: Matcher<T>>(actual: T, matcher: &U) { + assert!(matcher.matches(actual)); +} + +struct EqualTo<T> { + expected: T +} + +impl<T: Eq> Matcher<T> for EqualTo<T> { + fn matches(&self, actual: T) -> bool { + self.expected.eq(&actual) + } +} + +fn equal_to<T: Eq>(expected: T) -> Box<EqualTo<T>> { + Box::new(EqualTo { expected: expected }) +} + +pub fn main() { + let my_struct = MyStruct::new("zomg"); + let s = my_struct.get_str_wrap(); + + assert_that(s.get_s(), &*equal_to("zomg")); +} |