mirror of https://github.com/rust-lang/rust
268 lines
11 KiB
Plaintext
268 lines
11 KiB
Plaintext
error: expected expression, found `let` statement
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--> $DIR/feature-gate.rs:10:16
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LL | () if (let 0 = 1) => {}
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| ^^^^^^^^^
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= note: only supported directly in conditions of `if` and `while` expressions
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note: `let`s wrapped in parentheses are not supported in a context with let chains
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--> $DIR/feature-gate.rs:10:16
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LL | () if (let 0 = 1) => {}
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| ^^^^^^^^^
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error: expected expression, found `let` statement
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--> $DIR/feature-gate.rs:13:18
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LL | () if (((let 0 = 1))) => {}
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| ^^^^^^^^^
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= note: only supported directly in conditions of `if` and `while` expressions
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note: `let`s wrapped in parentheses are not supported in a context with let chains
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--> $DIR/feature-gate.rs:13:18
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LL | () if (((let 0 = 1))) => {}
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| ^^^^^^^^^
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error: expected expression, found `let` statement
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--> $DIR/feature-gate.rs:24:16
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LL | () if (let 0 = 1) && true => {}
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| ^^^^^^^^^
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= note: only supported directly in conditions of `if` and `while` expressions
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note: `let`s wrapped in parentheses are not supported in a context with let chains
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--> $DIR/feature-gate.rs:24:16
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LL | () if (let 0 = 1) && true => {}
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| ^^^^^^^^^
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error: expected expression, found `let` statement
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--> $DIR/feature-gate.rs:27:24
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LL | () if true && (let 0 = 1) => {}
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| ^^^^^^^^^
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= note: only supported directly in conditions of `if` and `while` expressions
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note: `let`s wrapped in parentheses are not supported in a context with let chains
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--> $DIR/feature-gate.rs:27:24
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LL | () if true && (let 0 = 1) => {}
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| ^^^^^^^^^
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error: expected expression, found `let` statement
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--> $DIR/feature-gate.rs:30:16
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LL | () if (let 0 = 1) && (let 0 = 1) => {}
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| ^^^^^^^^^
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= note: only supported directly in conditions of `if` and `while` expressions
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note: `let`s wrapped in parentheses are not supported in a context with let chains
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--> $DIR/feature-gate.rs:30:16
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LL | () if (let 0 = 1) && (let 0 = 1) => {}
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| ^^^^^^^^^
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error: expected expression, found `let` statement
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--> $DIR/feature-gate.rs:30:31
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LL | () if (let 0 = 1) && (let 0 = 1) => {}
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| ^^^^^^^^^
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= note: only supported directly in conditions of `if` and `while` expressions
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note: `let`s wrapped in parentheses are not supported in a context with let chains
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--> $DIR/feature-gate.rs:30:31
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LL | () if (let 0 = 1) && (let 0 = 1) => {}
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| ^^^^^^^^^
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error: expected expression, found `let` statement
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--> $DIR/feature-gate.rs:34:42
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LL | () if let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) => {}
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| ^^^^^^^^^
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= note: only supported directly in conditions of `if` and `while` expressions
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note: `let`s wrapped in parentheses are not supported in a context with let chains
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--> $DIR/feature-gate.rs:34:42
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LL | () if let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) => {}
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: expected expression, found `let` statement
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--> $DIR/feature-gate.rs:34:55
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LL | () if let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) => {}
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| ^^^^^^^^^
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= note: only supported directly in conditions of `if` and `while` expressions
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note: `let`s wrapped in parentheses are not supported in a context with let chains
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--> $DIR/feature-gate.rs:34:42
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LL | () if let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) => {}
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: expected expression, found `let` statement
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--> $DIR/feature-gate.rs:34:68
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LL | () if let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) => {}
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| ^^^^^^^^^
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= note: only supported directly in conditions of `if` and `while` expressions
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note: `let`s wrapped in parentheses are not supported in a context with let chains
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--> $DIR/feature-gate.rs:34:42
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LL | () if let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) => {}
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: expected expression, found `let` statement
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--> $DIR/feature-gate.rs:60:16
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LL | use_expr!((let 0 = 1 && 0 == 0));
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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/feature-gate.rs:62:16
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LL | use_expr!((let 0 = 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: no rules expected the token `let`
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--> $DIR/feature-gate.rs:70:15
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LL | macro_rules! use_expr {
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| --------------------- when calling this macro
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...
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LL | use_expr!(let 0 = 1);
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| ^^^ no rules expected this token in macro call
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note: while trying to match meta-variable `$e:expr`
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--> $DIR/feature-gate.rs:53:10
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LL | ($e:expr) => {
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| ^^^^^^^
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error[E0658]: `if let` guards are experimental
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--> $DIR/feature-gate.rs:7:12
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LL | () if let 0 = 1 => {}
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| ^^^^^^^^^^^^
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= note: see issue #51114 <https://github.com/rust-lang/rust/issues/51114> for more information
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= help: add `#![feature(if_let_guard)]` to the crate attributes to enable
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= note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
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= help: you can write `if matches!(<expr>, <pattern>)` instead of `if let <pattern> = <expr>`
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error[E0658]: `if let` guards are experimental
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--> $DIR/feature-gate.rs:16:12
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LL | () if true && let 0 = 1 => {}
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| ^^^^^^^^^^^^^^^^^^^^
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= note: see issue #51114 <https://github.com/rust-lang/rust/issues/51114> for more information
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= help: add `#![feature(if_let_guard)]` to the crate attributes to enable
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= note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
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= help: you can write `if matches!(<expr>, <pattern>)` instead of `if let <pattern> = <expr>`
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error[E0658]: `if let` guards are experimental
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--> $DIR/feature-gate.rs:20:12
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LL | () if let 0 = 1 && true => {}
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| ^^^^^^^^^^^^^^^^^^^^
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= note: see issue #51114 <https://github.com/rust-lang/rust/issues/51114> for more information
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= help: add `#![feature(if_let_guard)]` to the crate attributes to enable
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= note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
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= help: you can write `if matches!(<expr>, <pattern>)` instead of `if let <pattern> = <expr>`
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error[E0658]: `if let` guards are experimental
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--> $DIR/feature-gate.rs:34:12
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LL | () if let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) => {}
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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= note: see issue #51114 <https://github.com/rust-lang/rust/issues/51114> for more information
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= help: add `#![feature(if_let_guard)]` to the crate attributes to enable
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= note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
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= help: you can write `if matches!(<expr>, <pattern>)` instead of `if let <pattern> = <expr>`
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error[E0658]: `if let` guards are experimental
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--> $DIR/feature-gate.rs:43:12
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LL | () if let Range { start: _, end: _ } = (true..true) && false => {}
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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= note: see issue #51114 <https://github.com/rust-lang/rust/issues/51114> for more information
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= help: add `#![feature(if_let_guard)]` to the crate attributes to enable
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= note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
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= help: you can write `if matches!(<expr>, <pattern>)` instead of `if let <pattern> = <expr>`
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error[E0658]: `if let` guards are experimental
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--> $DIR/feature-gate.rs:66:12
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LL | () if let 0 = 1 => {}
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| ^^^^^^^^^^^^
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= note: see issue #51114 <https://github.com/rust-lang/rust/issues/51114> for more information
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= help: add `#![feature(if_let_guard)]` to the crate attributes to enable
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= note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
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= help: you can write `if matches!(<expr>, <pattern>)` instead of `if let <pattern> = <expr>`
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error[E0658]: `let` expressions in this position are unstable
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--> $DIR/feature-gate.rs:16:23
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LL | () if true && let 0 = 1 => {}
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| ^^^^^^^^^
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= note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
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= help: add `#![feature(let_chains)]` to the crate attributes to enable
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= note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
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error[E0658]: `let` expressions in this position are unstable
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--> $DIR/feature-gate.rs:20:15
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LL | () if let 0 = 1 && true => {}
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| ^^^^^^^^^
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= note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
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= help: add `#![feature(let_chains)]` to the crate attributes to enable
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= note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
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error[E0658]: `let` expressions in this position are unstable
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--> $DIR/feature-gate.rs:34:15
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LL | () if let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) => {}
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| ^^^^^^^^^
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= note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
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= help: add `#![feature(let_chains)]` to the crate attributes to enable
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= note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
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error[E0658]: `let` expressions in this position are unstable
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--> $DIR/feature-gate.rs:34:28
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LL | () if let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) => {}
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| ^^^^^^^^^
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= note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
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= help: add `#![feature(let_chains)]` to the crate attributes to enable
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= note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
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error[E0658]: `let` expressions in this position are unstable
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--> $DIR/feature-gate.rs:43:15
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LL | () if let Range { start: _, end: _ } = (true..true) && false => {}
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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= note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
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= help: add `#![feature(let_chains)]` to the crate attributes to enable
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= note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
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error: aborting due to 23 previous errors
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For more information about this error, try `rustc --explain E0658`.
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