diff options
Diffstat (limited to 'src/test/ui/suggestions/copied-and-cloned.rs')
-rw-r--r-- | src/test/ui/suggestions/copied-and-cloned.rs | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/src/test/ui/suggestions/copied-and-cloned.rs b/src/test/ui/suggestions/copied-and-cloned.rs new file mode 100644 index 000000000..640450b76 --- /dev/null +++ b/src/test/ui/suggestions/copied-and-cloned.rs @@ -0,0 +1,23 @@ +// run-rustfix + +fn expect<T>(_: T) {} + +fn main() { + let x = Some(&()); + expect::<Option<()>>(x); + //~^ ERROR mismatched types + //~| HELP use `Option::copied` to copy the value inside the `Option` + let x = Ok(&()); + expect::<Result<(), ()>>(x); + //~^ ERROR mismatched types + //~| HELP use `Result::copied` to copy the value inside the `Result` + let s = String::new(); + let x = Some(&s); + expect::<Option<String>>(x); + //~^ ERROR mismatched types + //~| HELP use `Option::cloned` to clone the value inside the `Option` + let x = Ok(&s); + expect::<Result<String, ()>>(x); + //~^ ERROR mismatched types + //~| HELP use `Result::cloned` to clone the value inside the `Result` +} |