55e4e3e393
When encountering a bare assignment in a let-chain, suggest turning the
assignment into a `let` expression or an equality check.
```
error: expected expression, found `let` statement
--> $DIR/bad-if-let-suggestion.rs:5:8
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LL | if let x = 1 && i = 2 {}
| ^^^^^^^^^
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= note: only supported directly in conditions of `if` and `while` expressions
help: you might have meant to continue the let-chain
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LL | if let x = 1 && let i = 2 {}
| +++
help: you might have meant to compare for equality
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LL | if let x = 1 && i == 2 {}
| +
```
75 lines
2.8 KiB
Plaintext
75 lines
2.8 KiB
Plaintext
error: expected expression, found `let` statement
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--> $DIR/invalid-let-in-a-valid-let-context.rs:8:19
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LL | let _ = &&let Some(x) = Some(42);
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| ^^^
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= note: only supported directly in conditions of `if` and `while` expressions
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error: expected expression, found `let` statement
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--> $DIR/invalid-let-in-a-valid-let-context.rs:13:47
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LL | if let Some(elem) = _opt && [1, 2, 3][let _ = &&let Some(x) = Some(42)] = 1 {
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| ^^^
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= note: only supported directly in conditions of `if` and `while` expressions
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error: expected expression, found `let` statement
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--> $DIR/invalid-let-in-a-valid-let-context.rs:13:57
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LL | if let Some(elem) = _opt && [1, 2, 3][let _ = &&let Some(x) = Some(42)] = 1 {
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| ^^^
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= note: only supported directly in conditions of `if` and `while` expressions
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error: expected expression, found `let` statement
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--> $DIR/invalid-let-in-a-valid-let-context.rs:13:12
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LL | if let Some(elem) = _opt && [1, 2, 3][let _ = &&let Some(x) = Some(42)] = 1 {
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| ^^^^^^^^^^^^^^^^^^^^^
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= note: only supported directly in conditions of `if` and `while` expressions
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help: you might have meant to compare for equality
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LL | if let Some(elem) = _opt && [1, 2, 3][let _ = &&let Some(x) = Some(42)] == 1 {
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error: expected expression, found `let` statement
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--> $DIR/invalid-let-in-a-valid-let-context.rs:24:23
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LL | [1, 2, 3][let _ = ()];
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| ^^^
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= note: only supported directly in conditions of `if` and `while` expressions
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error: expected expression, found `let` statement
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--> $DIR/invalid-let-in-a-valid-let-context.rs:33:47
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LL | if let Some(elem) = _opt && [1, 2, 3][let _ = ()] = 1 {
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| ^^^
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= note: only supported directly in conditions of `if` and `while` expressions
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error: expected expression, found `let` statement
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--> $DIR/invalid-let-in-a-valid-let-context.rs:33:12
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LL | if let Some(elem) = _opt && [1, 2, 3][let _ = ()] = 1 {
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| ^^^^^^^^^^^^^^^^^^^^^
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= note: only supported directly in conditions of `if` and `while` expressions
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help: you might have meant to compare for equality
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LL | if let Some(elem) = _opt && [1, 2, 3][let _ = ()] == 1 {
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| +
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error: expected expression, found `let` statement
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--> $DIR/invalid-let-in-a-valid-let-context.rs:42:21
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LL | let x = let y = 1;
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| ^^^
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= note: only supported directly in conditions of `if` and `while` expressions
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error: aborting due to 8 previous errors
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