diff options
Diffstat (limited to 'tests/ui/suggestions/suggest-mut-method-for-loop-hashmap.rs')
-rw-r--r-- | tests/ui/suggestions/suggest-mut-method-for-loop-hashmap.rs | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/tests/ui/suggestions/suggest-mut-method-for-loop-hashmap.rs b/tests/ui/suggestions/suggest-mut-method-for-loop-hashmap.rs new file mode 100644 index 000000000..9284410df --- /dev/null +++ b/tests/ui/suggestions/suggest-mut-method-for-loop-hashmap.rs @@ -0,0 +1,21 @@ +// run-rustfix +// https://github.com/rust-lang/rust/issues/82081 + +use std::collections::HashMap; + +struct Test { + v: u32, +} + +fn main() { + let mut map = HashMap::new(); + map.insert("a", Test { v: 0 }); + + for (_k, mut v) in map.iter() { + //~^ HELP use mutable method + //~| NOTE this iterator yields `&` references + v.v += 1; + //~^ ERROR cannot assign to `v.v` + //~| NOTE `v` is a `&` reference + } +} |