diff options
Diffstat (limited to 'src/test/ui/inference/issue-71732.rs')
-rw-r--r-- | src/test/ui/inference/issue-71732.rs | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/src/test/ui/inference/issue-71732.rs b/src/test/ui/inference/issue-71732.rs new file mode 100644 index 000000000..30063a095 --- /dev/null +++ b/src/test/ui/inference/issue-71732.rs @@ -0,0 +1,23 @@ +// Regression test for #71732, it used to emit incorrect diagnostics, like: +// error[E0283]: type annotations needed +// --> src/main.rs:5:10 +// | +// 5 | .get(&"key".into()) +// | ^^^ cannot infer type for struct `String` +// | +// = note: cannot satisfy `String: Borrow<_>` +// help: consider specifying the type argument in the method call +// | +// 5 | .get::<Q>(&"key".into()) +// | + +use std::collections::hash_map::HashMap; + +fn foo(parameters: &HashMap<String, String>) -> bool { + parameters + .get(&"key".into()) //~ ERROR: type annotations needed + .and_then(|found: &String| Some(false)) + .unwrap_or(false) +} + +fn main() {} |