mirror of
https://github.com/rust-lang/rust.git
synced 2025-04-28 02:57:37 +00:00

``` 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; | ```
46 lines
1.8 KiB
Plaintext
46 lines
1.8 KiB
Plaintext
error[E0596]: cannot borrow data in an index of `HashMap<&str, String>` as mutable
|
|
--> $DIR/index-mut-help.rs:10:5
|
|
|
|
|
LL | map["peter"].clear();
|
|
| ^^^^^^^^^^^^ cannot borrow as mutable
|
|
|
|
|
= help: trait `IndexMut` is required to modify indexed content, but it is not implemented for `HashMap<&str, String>`
|
|
help: to modify a `HashMap<&str, String>` use `.get_mut()`
|
|
|
|
|
LL - map["peter"].clear();
|
|
LL + if let Some(val) = map.get_mut("peter") { val.clear(); };
|
|
|
|
|
|
|
error[E0594]: cannot assign to data in an index of `HashMap<&str, String>`
|
|
--> $DIR/index-mut-help.rs:11:5
|
|
|
|
|
LL | map["peter"] = "0".to_string();
|
|
| ^^^^^^^^^^^^ cannot assign
|
|
|
|
|
= help: trait `IndexMut` is required to modify indexed content, but it is not implemented for `HashMap<&str, String>`
|
|
help: use `.insert()` to insert a value into a `HashMap<&str, String>`, `.get_mut()` to modify it, or the entry API for more flexibility
|
|
|
|
|
LL - map["peter"] = "0".to_string();
|
|
LL + map.insert("peter", "0".to_string());
|
|
|
|
|
LL - map["peter"] = "0".to_string();
|
|
LL + if let Some(val) = map.get_mut("peter") { *val = "0".to_string(); };
|
|
|
|
|
LL - map["peter"] = "0".to_string();
|
|
LL + let val = map.entry("peter").or_insert("0".to_string());
|
|
|
|
|
|
|
error[E0596]: cannot borrow data in an index of `HashMap<&str, String>` as mutable
|
|
--> $DIR/index-mut-help.rs:12:13
|
|
|
|
|
LL | let _ = &mut map["peter"];
|
|
| ^^^^^^^^^^^^^^^^^ cannot borrow as mutable
|
|
|
|
|
= help: trait `IndexMut` is required to modify indexed content, but it is not implemented for `HashMap<&str, String>`
|
|
= help: to modify a `HashMap<&str, String>`, use `.get_mut()`, `.insert()` or the entry API
|
|
|
|
error: aborting due to 3 previous errors
|
|
|
|
Some errors have detailed explanations: E0594, E0596.
|
|
For more information about an error, try `rustc --explain E0594`.
|