bjoernager/rust
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improve wording of a suggestion

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This commit is contained in:
Maybe Waffle 2022-06-24 21:18:26 +04:00
parent e25129b055
commit 1dfb53b7da
3 changed files with 9 additions and 9 deletions
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2
compiler/rustc_typeck/src/check/pat.rs
View file

@ -697,7 +697,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
Some(( Some((
pat.span, pat.span,
format!("to declare a mutable {ident_kind} use `mut variable_name`"), format!("to declare a mutable {ident_kind} use"),
format!("mut {binding}"), format!("mut {binding}"),
)) ))

14
src/test/ui/mismatched_types/ref-pat-suggestions.stderr
View file

@ -24,7 +24,7 @@ LL | fn _f1(&mut _a: u32) {}
| |
= note: expected type `u32` = note: expected type `u32`
found mutable reference `&mut _` found mutable reference `&mut _`
note: to declare a mutable parameter use `mut variable_name`: `mut _a` note: to declare a mutable parameter use: `mut _a`
--> $DIR/ref-pat-suggestions.rs:4:8 --> $DIR/ref-pat-suggestions.rs:4:8
| |
LL | fn _f1(&mut _a: u32) {} LL | fn _f1(&mut _a: u32) {}
@ -127,7 +127,7 @@ LL | let _: fn(u32) = |&mut _a| ();
| |
= note: expected type `u32` = note: expected type `u32`
found mutable reference `&mut _` found mutable reference `&mut _`
note: to declare a mutable parameter use `mut variable_name`: `mut _a` note: to declare a mutable parameter use: `mut _a`
--> $DIR/ref-pat-suggestions.rs:12:23 --> $DIR/ref-pat-suggestions.rs:12:23
| |
LL | let _: fn(u32) = |&mut _a| (); LL | let _: fn(u32) = |&mut _a| ();
@ -232,7 +232,7 @@ LL | let _ = |&mut _a: u32| ();
| |
= note: expected type `u32` = note: expected type `u32`
found mutable reference `&mut _` found mutable reference `&mut _`
note: to declare a mutable parameter use `mut variable_name`: `mut _a` note: to declare a mutable parameter use: `mut _a`
--> $DIR/ref-pat-suggestions.rs:19:14 --> $DIR/ref-pat-suggestions.rs:19:14
| |
LL | let _ = |&mut _a: u32| (); LL | let _ = |&mut _a: u32| ();
@ -314,7 +314,7 @@ LL | let &mut _a = 0;
| ^^^^^^^ - this expression has type `{integer}` | ^^^^^^^ - this expression has type `{integer}`
| | | |
| expected integer, found `&mut _` | expected integer, found `&mut _`
| help: to declare a mutable variable use `mut variable_name`: `mut _a` | help: to declare a mutable variable use: `mut _a`
| |
= note: expected type `{integer}` = note: expected type `{integer}`
found mutable reference `&mut _` found mutable reference `&mut _`
@ -329,7 +329,7 @@ LL | let S(&mut _b) = S(0);
| |
= note: expected type `u8` = note: expected type `u8`
found mutable reference `&mut _` found mutable reference `&mut _`
note: to declare a mutable binding use `mut variable_name`: `mut _b` note: to declare a mutable binding use: `mut _b`
--> $DIR/ref-pat-suggestions.rs:30:15 --> $DIR/ref-pat-suggestions.rs:30:15
| |
LL | let S(&mut _b) = S(0); LL | let S(&mut _b) = S(0);
@ -350,7 +350,7 @@ LL | let (&mut _c,) = (0,);
| |
= note: expected type `{integer}` = note: expected type `{integer}`
found mutable reference `&mut _` found mutable reference `&mut _`
note: to declare a mutable binding use `mut variable_name`: `mut _c` note: to declare a mutable binding use: `mut _c`
--> $DIR/ref-pat-suggestions.rs:31:14 --> $DIR/ref-pat-suggestions.rs:31:14
| |
LL | let (&mut _c,) = (0,); LL | let (&mut _c,) = (0,);
@ -371,7 +371,7 @@ LL | &mut _d => {}
| |
= note: expected type `{integer}` = note: expected type `{integer}`
found mutable reference `&mut _` found mutable reference `&mut _`
note: to declare a mutable binding use `mut variable_name`: `mut _d` note: to declare a mutable binding use: `mut _d`
--> $DIR/ref-pat-suggestions.rs:34:13 --> $DIR/ref-pat-suggestions.rs:34:13
| |
LL | &mut _d => {} LL | &mut _d => {}

2
src/test/ui/pattern/for-loop-bad-item.stderr
View file

@ -8,7 +8,7 @@ LL | for ((_, _), (&mut c, _)) in &mut map {
| |
= note: expected type `char` = note: expected type `char`
found mutable reference `&mut _` found mutable reference `&mut _`
note: to declare a mutable binding use `mut variable_name`: `mut c` note: to declare a mutable binding use: `mut c`
--> $DIR/for-loop-bad-item.rs:7:19 --> $DIR/for-loop-bad-item.rs:7:19
| |
LL | for ((_, _), (&mut c, _)) in &mut map { LL | for ((_, _), (&mut c, _)) in &mut map {