Make suggestion verbose

Author: estebank

compiler/rustc_mir_build/src/errors.rs

@@ -913,7 +913,8 @@ impl<'tcx> Subdiagnostic for AdtDefinedHere<'tcx> {
 #[suggestion(
     mir_build_interpreted_as_const,
     code = "{variable}_var",
-    applicability = "maybe-incorrect"
+    applicability = "maybe-incorrect",
+    style = "verbose"
 )]
 pub(crate) struct InterpretedAsConst {
     #[primary_span]

tests/ui/closures/2229_closure_analysis/bad-pattern.stderr

@@ -101,14 +101,15 @@ LL |     const PAT: u32 = 0;
    |     -------------- missing patterns are not covered because `PAT` is interpreted as a constant pattern, not a new variable
 ...
 LL |         let PAT = v1;
-   |             ^^^
-   |             |
-   |             pattern `1_u32..=u32::MAX` not covered
-   |             help: introduce a variable instead: `PAT_var`
+   |             ^^^ pattern `1_u32..=u32::MAX` not covered
    |
    = note: `let` bindings require an "irrefutable pattern", like a `struct` or an `enum` with only one variant
    = note: for more information, visit https://doc.rust-lang.org/book/ch18-02-refutability.html
    = note: the matched value is of type `u32`
+help: introduce a variable instead
+   |
+LL |         let PAT_var = v1;
+   |             ~~~~~~~
 
 error: aborting due to 7 previous errors
 

tests/ui/consts/const-pattern-irrefutable.stderr

@@ -5,14 +5,15 @@ LL | const a: u8 = 2;
    | ----------- missing patterns are not covered because `a` is interpreted as a constant pattern, not a new variable
 ...
 LL |     let a = 4;
-   |         ^
-   |         |
-   |         patterns `0_u8..=1_u8` and `3_u8..=u8::MAX` not covered
-   |         help: introduce a variable instead: `a_var`
+   |         ^ patterns `0_u8..=1_u8` and `3_u8..=u8::MAX` not covered
    |
    = note: `let` bindings require an "irrefutable pattern", like a `struct` or an `enum` with only one variant
    = note: for more information, visit https://doc.rust-lang.org/book/ch18-02-refutability.html
    = note: the matched value is of type `u8`
+help: introduce a variable instead
+   |
+LL |     let a_var = 4;
+   |         ~~~~~
 
 error[E0005]: refutable pattern in local binding
   --> $DIR/const-pattern-irrefutable.rs:28:9
@@ -21,14 +22,15 @@ LL |     pub const b: u8 = 2;
    |     --------------- missing patterns are not covered because `b` is interpreted as a constant pattern, not a new variable
 ...
 LL |     let c = 4;
-   |         ^
-   |         |
-   |         patterns `0_u8..=1_u8` and `3_u8..=u8::MAX` not covered
-   |         help: introduce a variable instead: `b_var`
+   |         ^ patterns `0_u8..=1_u8` and `3_u8..=u8::MAX` not covered
    |
    = note: `let` bindings require an "irrefutable pattern", like a `struct` or an `enum` with only one variant
    = note: for more information, visit https://doc.rust-lang.org/book/ch18-02-refutability.html
    = note: the matched value is of type `u8`
+help: introduce a variable instead
+   |
+LL |     let b_var = 4;
+   |         ~~~~~
 
 error[E0005]: refutable pattern in local binding
   --> $DIR/const-pattern-irrefutable.rs:32:9
@@ -37,14 +39,15 @@ LL |     pub const d: (u8, u8) = (2, 1);
    |     --------------------- missing patterns are not covered because `d` is interpreted as a constant pattern, not a new variable
 ...
 LL |     let d = (4, 4);
-   |         ^
-   |         |
-   |         patterns `(0_u8..=1_u8, _)` and `(3_u8..=u8::MAX, _)` not covered
-   |         help: introduce a variable instead: `d_var`
+   |         ^ patterns `(0_u8..=1_u8, _)` and `(3_u8..=u8::MAX, _)` not covered
    |
    = note: `let` bindings require an "irrefutable pattern", like a `struct` or an `enum` with only one variant
    = note: for more information, visit https://doc.rust-lang.org/book/ch18-02-refutability.html
    = note: the matched value is of type `(u8, u8)`
+help: introduce a variable instead
+   |
+LL |     let d_var = (4, 4);
+   |         ~~~~~
 
 error[E0005]: refutable pattern in local binding
   --> $DIR/const-pattern-irrefutable.rs:36:9
@@ -53,10 +56,7 @@ LL | const e: S = S {
    | ---------- missing patterns are not covered because `e` is interpreted as a constant pattern, not a new variable
 ...
 LL |     let e = S {
-   |         ^
-   |         |
-   |         pattern `S { foo: 1_u8..=u8::MAX }` not covered
-   |         help: introduce a variable instead: `e_var`
+   |         ^ pattern `S { foo: 1_u8..=u8::MAX }` not covered
    |
    = note: `let` bindings require an "irrefutable pattern", like a `struct` or an `enum` with only one variant
    = note: for more information, visit https://doc.rust-lang.org/book/ch18-02-refutability.html
@@ -66,6 +66,10 @@ note: `S` defined here
 LL | struct S {
    |        ^
    = note: the matched value is of type `S`
+help: introduce a variable instead
+   |
+LL |     let e_var = S {
+   |         ~~~~~
 
 error: aborting due to 4 previous errors
 

tests/ui/mir/issue-112269.stderr

@@ -4,29 +4,31 @@ error[E0005]: refutable pattern in local binding
 LL |     const x: i32 = 4;
    |     ------------ missing patterns are not covered because `x` is interpreted as a constant pattern, not a new variable
 LL |     let x: i32 = 3;
-   |         ^
-   |         |
-   |         patterns `i32::MIN..=3_i32` and `5_i32..=i32::MAX` not covered
-   |         help: introduce a variable instead: `x_var`
+   |         ^ patterns `i32::MIN..=3_i32` and `5_i32..=i32::MAX` not covered
    |
    = note: `let` bindings require an "irrefutable pattern", like a `struct` or an `enum` with only one variant
    = note: for more information, visit https://doc.rust-lang.org/book/ch18-02-refutability.html
    = note: the matched value is of type `i32`
+help: introduce a variable instead
+   |
+LL |     let x_var: i32 = 3;
+   |         ~~~~~
 
 error[E0005]: refutable pattern in local binding
   --> $DIR/issue-112269.rs:7:9
    |
 LL |     const y: i32 = 3;
    |     ------------ missing patterns are not covered because `y` is interpreted as a constant pattern, not a new variable
 LL |     let y = 4;
-   |         ^
-   |         |
-   |         patterns `i32::MIN..=2_i32` and `4_i32..=i32::MAX` not covered
-   |         help: introduce a variable instead: `y_var`
+   |         ^ patterns `i32::MIN..=2_i32` and `4_i32..=i32::MAX` not covered
    |
    = note: `let` bindings require an "irrefutable pattern", like a `struct` or an `enum` with only one variant
    = note: for more information, visit https://doc.rust-lang.org/book/ch18-02-refutability.html
    = note: the matched value is of type `i32`
+help: introduce a variable instead
+   |
+LL |     let y_var = 4;
+   |         ~~~~~
 
 error: aborting due to 2 previous errors
 

tests/ui/suggestions/const-pat-non-exaustive-let-new-var.stderr

@@ -2,17 +2,18 @@ error[E0005]: refutable pattern in local binding
   --> $DIR/const-pat-non-exaustive-let-new-var.rs:2:9
    |
 LL |     let A = 3;
-   |         ^
-   |         |
-   |         patterns `i32::MIN..=1_i32` and `3_i32..=i32::MAX` not covered
-   |         help: introduce a variable instead: `A_var`
+   |         ^ patterns `i32::MIN..=1_i32` and `3_i32..=i32::MAX` not covered
 ...
 LL |     const A: i32 = 2;
    |     ------------ missing patterns are not covered because `A` is interpreted as a constant pattern, not a new variable
    |
    = note: `let` bindings require an "irrefutable pattern", like a `struct` or an `enum` with only one variant
    = note: for more information, visit https://doc.rust-lang.org/book/ch18-02-refutability.html
    = note: the matched value is of type `i32`
+help: introduce a variable instead
+   |
+LL |     let A_var = 3;
+   |         ~~~~~
 
 error: aborting due to 1 previous error