error: unexpected `,` in pattern --> $DIR/feature-gate-never_patterns.rs:34:16 | LL | Some(_), | ^ | help: try adding parentheses to match on a tuple... | LL | (Some(_),) | + + help: ...or a vertical bar to match on multiple alternatives | LL | Some(_) | | error[E0408]: variable `_x` is not bound in all patterns --> $DIR/feature-gate-never_patterns.rs:8:19 | LL | let (Ok(_x) | Err(&!)) = res.as_ref(); | -- ^^^^^^^ pattern doesn't bind `_x` | | | variable not in all patterns error[E0658]: `!` patterns are experimental --> $DIR/feature-gate-never_patterns.rs:8:24 | LL | let (Ok(_x) | Err(&!)) = res.as_ref(); | ^ | = note: see issue #118155 for more information = help: add `#![feature(never_patterns)]` to the crate attributes to enable error[E0658]: `!` patterns are experimental --> $DIR/feature-gate-never_patterns.rs:15:13 | LL | ! | ^ | = note: see issue #118155 for more information = help: add `#![feature(never_patterns)]` to the crate attributes to enable error[E0658]: `!` patterns are experimental --> $DIR/feature-gate-never_patterns.rs:21:13 | LL | ! | ^ | = note: see issue #118155 for more information = help: add `#![feature(never_patterns)]` to the crate attributes to enable error[E0658]: `!` patterns are experimental --> $DIR/feature-gate-never_patterns.rs:26:13 | LL | ! => {} | ^ | = note: see issue #118155 for more information = help: add `#![feature(never_patterns)]` to the crate attributes to enable error: `match` arm with no body --> $DIR/feature-gate-never_patterns.rs:39:9 | LL | Some(_) | ^^^^^^^- help: add a body after the pattern: `=> todo!(),` error: `match` arm with no body --> $DIR/feature-gate-never_patterns.rs:44:9 | LL | Some(_) if false, | ^^^^^^^- help: add a body after the pattern: `=> todo!(),` error: `match` arm with no body --> $DIR/feature-gate-never_patterns.rs:46:9 | LL | Some(_) if false | ^^^^^^^- help: add a body after the pattern: `=> todo!(),` error[E0658]: `!` patterns are experimental --> $DIR/feature-gate-never_patterns.rs:51:13 | LL | Err(!), | ^ | = note: see issue #118155 for more information = help: add `#![feature(never_patterns)]` to the crate attributes to enable error[E0658]: `!` patterns are experimental --> $DIR/feature-gate-never_patterns.rs:55:13 | LL | Err(!) if false, | ^ | = note: see issue #118155 for more information = help: add `#![feature(never_patterns)]` to the crate attributes to enable error: `match` arm with no body --> $DIR/feature-gate-never_patterns.rs:65:9 | LL | Some(_) | ^^^^^^^- help: add a body after the pattern: `=> todo!(),` error: `match` arm with no body --> $DIR/feature-gate-never_patterns.rs:71:9 | LL | Some(_) if false | ^^^^^^^- help: add a body after the pattern: `=> todo!(),` error: a guard on a never pattern will never be run --> $DIR/feature-gate-never_patterns.rs:55:19 | LL | Err(!) if false, | ^^^^^ help: remove this guard error: aborting due to 14 previous errors Some errors have detailed explanations: E0408, E0658. For more information about an error, try `rustc --explain E0408`.