rust/tests/ui/hashmap/hashmap-index-mut.stderr
Esteban Küber f0845adb0c Show diff suggestion format on verbose replacement
```
error[E0610]: `{integer}` is a primitive type and therefore doesn't have fields
  --> $DIR/attempted-access-non-fatal.rs:7:15
   |
LL |     let _ = 2.l;
   |               ^
   |
help: if intended to be a floating point literal, consider adding a `0` after the period and a `f64` suffix
   |
LL -     let _ = 2.l;
LL +     let _ = 2.0f64;
   |
```
2025-02-10 20:21:39 +00:00

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error[E0594]: cannot assign to data in an index of `HashMap<u32, u32>`
--> $DIR/hashmap-index-mut.rs:5:5
|
LL | map[&0] = 1;
| ^^^^^^^^^^^ cannot assign
|
= help: trait `IndexMut` is required to modify indexed content, but it is not implemented for `HashMap<u32, u32>`
help: use `.insert()` to insert a value into a `HashMap<u32, u32>`, `.get_mut()` to modify it, or the entry API for more flexibility
|
LL - map[&0] = 1;
LL + map.insert(&0, 1);
|
LL - map[&0] = 1;
LL + if let Some(val) = map.get_mut(&0) { *val = 1; };
|
LL - map[&0] = 1;
LL + let val = map.entry(&0).or_insert(1);
|
error: aborting due to 1 previous error
For more information about this error, try `rustc --explain E0594`.