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Tweak suggestions when using incorrect type of enum literal #127891

Merged
merged 3 commits into from
Jul 19, 2024
Merged

Tweak suggestions when using incorrect type of enum literal #127891

merged 3 commits into from
Jul 19, 2024

Commits on Jul 18, 2024

  1. Add svg test for incorrect literal type suggestion

    @estebank
    estebank committed Jul 18, 2024
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  2. More accurate suggestions when writing wrong style of enum variant li… 

    …teral

```
error[E0533]: expected value, found struct variant `E::Empty3`
  --> $DIR/empty-struct-braces-expr.rs:18:14
   |
LL |     let e3 = E::Empty3;
   |              ^^^^^^^^^ not a value
   |
help: you might have meant to create a new value of the struct
   |
LL |     let e3 = E::Empty3 {};
   |                        ++
```
```
error[E0533]: expected value, found struct variant `E::V`
  --> $DIR/struct-literal-variant-in-if.rs:10:13
   |
LL |     if x == E::V { field } {}
   |             ^^^^ not a value
   |
help: you might have meant to create a new value of the struct
   |
LL |     if x == (E::V { field }) {}
   |             +              +
```
```
error[E0618]: expected function, found enum variant `Enum::Unit`
  --> $DIR/suggestion-highlights.rs:15:5
   |
LL |     Unit,
   |     ---- enum variant `Enum::Unit` defined here
...
LL |     Enum::Unit();
   |     ^^^^^^^^^^--
   |     |
   |     call expression requires function
   |
help: `Enum::Unit` is a unit enum variant, and does not take parentheses to be constructed
   |
LL -     Enum::Unit();
LL +     Enum::Unit;
   |
```
```
error[E0599]: no variant or associated item named `tuple` found for enum `Enum` in the current scope
  --> $DIR/suggestion-highlights.rs:36:11
   |
LL | enum Enum {
   | --------- variant or associated item `tuple` not found for this enum
...
LL |     Enum::tuple;
   |           ^^^^^ variant or associated item not found in `Enum`
   |
help: there is a variant with a similar name
   |
LL |     Enum::Tuple(/* i32 */);
   |           ~~~~~~~~~~~~~~~~;
   |
```
    @estebank
    estebank committed Jul 18, 2024
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  3. Tweak "field not found" suggestion when giving struct literal for tup… 

    …le struct type

```
error[E0560]: struct `S` has no field named `x`
  --> $DIR/nested-non-tuple-tuple-struct.rs:8:19
   |
LL | pub struct S(f32, f32);
   |            - `S` defined here
...
LL |     let _x = (S { x: 1.0, y: 2.0 }, S { x: 3.0, y: 4.0 });
   |                   ^ field does not exist
   |
help: `S` is a tuple struct, use the appropriate syntax
   |
LL |     let _x = (S(/* f32 */, /* f32 */), S { x: 3.0, y: 4.0 });
   |               ~~~~~~~~~~~~~~~~~~~~~~~
```
    @estebank
    estebank committed Jul 18, 2024
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