mirror of https://github.com/rust-lang/rust
50 lines
1.8 KiB
Plaintext
50 lines
1.8 KiB
Plaintext
error[E0308]: mismatched types
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--> $DIR/feature-gate-ref_pat_everywhere.rs:2:22
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LL | if let Some(Some(&x)) = &Some(&Some(0)) {
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| ^^ --------------- this expression has type `&Option<&Option<{integer}>>`
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| |
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| expected integer, found `&_`
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= note: expected type `{integer}`
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found reference `&_`
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help: consider removing `&` from the pattern
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LL | if let Some(Some(x)) = &Some(&Some(0)) {
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| ~
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error[E0308]: mismatched types
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--> $DIR/feature-gate-ref_pat_everywhere.rs:6:17
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LL | if let Some(&Some(x)) = &Some(Some(0)) {
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| ^^^^^^^^ -------------- this expression has type `&Option<Option<{integer}>>`
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| |
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| expected `Option<{integer}>`, found `&_`
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= note: expected enum `Option<{integer}>`
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found reference `&_`
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error[E0308]: mismatched types
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--> $DIR/feature-gate-ref_pat_everywhere.rs:10:22
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LL | if let Some(Some(&mut x)) = &mut Some(&mut Some(0)) {
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| ^^^^^^ ----------------------- this expression has type `&mut Option<&mut Option<{integer}>>`
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| |
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| expected integer, found `&mut _`
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= note: expected type `{integer}`
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found mutable reference `&mut _`
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note: to declare a mutable binding use: `mut x`
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--> $DIR/feature-gate-ref_pat_everywhere.rs:10:22
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LL | if let Some(Some(&mut x)) = &mut Some(&mut Some(0)) {
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| ^^^^^^
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help: consider removing `&mut` from the pattern
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LL | if let Some(Some(x)) = &mut Some(&mut Some(0)) {
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| ~
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error: aborting due to 3 previous errors
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For more information about this error, try `rustc --explain E0308`.
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