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error[E0005]: refutable pattern in local binding
--> $DIR/const-match-check.rs:31:24
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LL | let x: [i32; { let 0 = 0; 0 }] = [];
| ^ patterns `i32::MIN..=-1_i32` and `1_i32..=i32::MAX` not covered
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= note: `let` bindings require an "irrefutable pattern", like a `struct` or an `enum` with only one variant
= note: for more information, visit https://doc.rust-lang.org/book/ch19-02-refutability.html
= note: the matched value is of type `i32`
help: you might want to use `if let` to ignore the variants that aren't matched
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LL | let x: [i32; { if let 0 = 0 { todo!() }; 0 }] = [];
| ++ +++++++++++
help: alternatively, you could prepend the pattern with an underscore to define a new named variable; identifiers cannot begin with digits
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LL | let x: [i32; { let _0 = 0; 0 }] = [];
| +
error: aborting due to 1 previous error
For more information about this error, try `rustc --explain E0005`.
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