error[E0005]: refutable pattern in local binding --> $DIR/issue-112269.rs:3:9 | LL | let x: i32 = 3; | ^ | | | patterns `i32::MIN..=3_i32` and `5_i32..=i32::MAX` not covered | missing patterns are not covered because `x` is interpreted as a constant pattern, not a new variable | help: introduce a variable instead: `x_var` | = 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/ch18-02-refutability.html = note: the matched value is of type `i32` error[E0005]: refutable pattern in local binding --> $DIR/issue-112269.rs:7:9 | LL | let y = 4; | ^ | | | patterns `i32::MIN..=2_i32` and `4_i32..=i32::MAX` not covered | missing patterns are not covered because `y` is interpreted as a constant pattern, not a new variable | help: introduce a variable instead: `y_var` | = 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/ch18-02-refutability.html = note: the matched value is of type `i32` error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0005`.