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Discussion previously happened in https://github.com/rust-lang/rust/pull/43498
35 lines
1.2 KiB
Plaintext
35 lines
1.2 KiB
Plaintext
error: `ref` directly on a function argument is ignored. Consider using a reference type instead.
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--> $DIR/toplevel_ref_arg.rs:4:15
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LL | fn the_answer(ref mut x: u8) {
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| ^^^^^^^^^
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= note: `-D clippy::toplevel-ref-arg` implied by `-D warnings`
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error: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
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--> $DIR/toplevel_ref_arg.rs:15:9
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LL | let ref x = 1;
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| ----^^^^^----- help: try: `let x = &1;`
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error: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
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--> $DIR/toplevel_ref_arg.rs:17:9
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LL | let ref y: (&_, u8) = (&1, 2);
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| ----^^^^^--------------------- help: try: `let y: &(&_, u8) = &(&1, 2);`
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error: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
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--> $DIR/toplevel_ref_arg.rs:19:9
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LL | let ref z = 1 + 2;
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| ----^^^^^--------- help: try: `let z = &(1 + 2);`
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error: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
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--> $DIR/toplevel_ref_arg.rs:21:9
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LL | let ref mut z = 1 + 2;
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| ----^^^^^^^^^--------- help: try: `let z = &mut (1 + 2);`
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error: aborting due to 5 previous errors
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