rust/src/test/ui/closures/2229_closure_analysis/pattern-matching-should-fail.stderr
2021-03-15 13:16:04 -04:00

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warning: the feature `capture_disjoint_fields` is incomplete and may not be safe to use and/or cause compiler crashes
--> $DIR/pattern-matching-should-fail.rs:1:12
|
LL | #![feature(capture_disjoint_fields)]
| ^^^^^^^^^^^^^^^^^^^^^^^
|
= note: `#[warn(incomplete_features)]` on by default
= note: see issue #53488 <https://github.com/rust-lang/rust/issues/53488> for more information
error[E0004]: non-exhaustive patterns: type `u8` is non-empty
--> $DIR/pattern-matching-should-fail.rs:72:23
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LL | let c1 = || match x { };
| ^
|
= help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms
= note: the matched value is of type `u8`
error[E0381]: use of possibly-uninitialized variable: `x`
--> $DIR/pattern-matching-should-fail.rs:10:23
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LL | let c1 = || match x { };
| ^ use of possibly-uninitialized `x`
error[E0381]: borrow of possibly-uninitialized variable: `x`
--> $DIR/pattern-matching-should-fail.rs:17:14
|
LL | let c2 = || match x { _ => () };
| ^^ - borrow occurs due to use in closure
| |
| use of possibly-uninitialized `x`
error[E0381]: borrow of possibly-uninitialized variable: `variant`
--> $DIR/pattern-matching-should-fail.rs:29:13
|
LL | let c = || {
| ^^ use of possibly-uninitialized `variant`
LL |
LL | match variant {
| ------- borrow occurs due to use in closure
error[E0381]: borrow of possibly-uninitialized variable: `variant`
--> $DIR/pattern-matching-should-fail.rs:41:13
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LL | let c = || {
| ^^ use of possibly-uninitialized `variant`
LL |
LL | match variant {
| ------- borrow occurs due to use in closure
error[E0381]: use of possibly-uninitialized variable: `g`
--> $DIR/pattern-matching-should-fail.rs:57:15
|
LL | match g { };
| ^ use of possibly-uninitialized `g`
error[E0381]: use of possibly-uninitialized variable: `t`
--> $DIR/pattern-matching-should-fail.rs:60:19
|
LL | match t { };
| ^ use of possibly-uninitialized `t`
error[E0381]: use of possibly-uninitialized variable: `x`
--> $DIR/pattern-matching-should-fail.rs:72:23
|
LL | let c1 = || match x { };
| ^ use of possibly-uninitialized `x`
error: aborting due to 8 previous errors; 1 warning emitted
Some errors have detailed explanations: E0004, E0381.
For more information about an error, try `rustc --explain E0004`.