error[E0004]: non-exhaustive patterns: `_` not covered --> $DIR/pointer-sized-int.rs:12:11 | LL | match 0usize { | ^^^^^^ pattern `_` not covered | = note: the matched value is of type `usize` = note: `usize` does not have a fixed maximum value, so a wildcard `_` is necessary to match exhaustively = help: add `#![feature(precise_pointer_size_matching)]` to the crate attributes to enable precise `usize` matching help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern or an explicit pattern as shown | LL ~ 0 ..= usize::MAX => {} LL + _ => todo!() | error[E0004]: non-exhaustive patterns: `_` not covered --> $DIR/pointer-sized-int.rs:17:11 | LL | match 0isize { | ^^^^^^ pattern `_` not covered | = note: the matched value is of type `isize` = note: `isize` does not have a fixed maximum value, so a wildcard `_` is necessary to match exhaustively = help: add `#![feature(precise_pointer_size_matching)]` to the crate attributes to enable precise `isize` matching help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern or an explicit pattern as shown | LL ~ isize::MIN ..= isize::MAX => {} LL + _ => todo!() | error[E0004]: non-exhaustive patterns: `_` not covered --> $DIR/pointer-sized-int.rs:22:8 | LL | m!(0usize, 0..=usize::MAX); | ^^^^^^ pattern `_` not covered | = note: the matched value is of type `usize` = note: `usize` does not have a fixed maximum value, so a wildcard `_` is necessary to match exhaustively = help: add `#![feature(precise_pointer_size_matching)]` to the crate attributes to enable precise `usize` matching help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern or an explicit pattern as shown | LL | match $s { $($t)+ => {}, _ => todo!() } | ++++++++++++++ error[E0004]: non-exhaustive patterns: `_` not covered --> $DIR/pointer-sized-int.rs:24:8 | LL | m!(0usize, 0..5 | 5..=usize::MAX); | ^^^^^^ pattern `_` not covered | = note: the matched value is of type `usize` = note: `usize` does not have a fixed maximum value, so a wildcard `_` is necessary to match exhaustively = help: add `#![feature(precise_pointer_size_matching)]` to the crate attributes to enable precise `usize` matching help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern or an explicit pattern as shown | LL | match $s { $($t)+ => {}, _ => todo!() } | ++++++++++++++ error[E0004]: non-exhaustive patterns: `_` not covered --> $DIR/pointer-sized-int.rs:26:8 | LL | m!(0usize, 0..usize::MAX | usize::MAX); | ^^^^^^ pattern `_` not covered | = note: the matched value is of type `usize` = note: `usize` does not have a fixed maximum value, so a wildcard `_` is necessary to match exhaustively = help: add `#![feature(precise_pointer_size_matching)]` to the crate attributes to enable precise `usize` matching help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern or an explicit pattern as shown | LL | match $s { $($t)+ => {}, _ => todo!() } | ++++++++++++++ error[E0004]: non-exhaustive patterns: `(_, _)` not covered --> $DIR/pointer-sized-int.rs:28:8 | LL | m!((0usize, true), (0..5, true) | (5..=usize::MAX, true) | (0..=usize::MAX, false)); | ^^^^^^^^^^^^^^ pattern `(_, _)` not covered | = note: the matched value is of type `(usize, bool)` help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern or an explicit pattern as shown | LL | match $s { $($t)+ => {}, (_, _) => todo!() } | +++++++++++++++++++ error[E0004]: non-exhaustive patterns: `_` not covered --> $DIR/pointer-sized-int.rs:31:8 | LL | m!(0isize, isize::MIN..=isize::MAX); | ^^^^^^ pattern `_` not covered | = note: the matched value is of type `isize` = note: `isize` does not have a fixed maximum value, so a wildcard `_` is necessary to match exhaustively = help: add `#![feature(precise_pointer_size_matching)]` to the crate attributes to enable precise `isize` matching help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern or an explicit pattern as shown | LL | match $s { $($t)+ => {}, _ => todo!() } | ++++++++++++++ error[E0004]: non-exhaustive patterns: `_` not covered --> $DIR/pointer-sized-int.rs:33:8 | LL | m!(0isize, isize::MIN..5 | 5..=isize::MAX); | ^^^^^^ pattern `_` not covered | = note: the matched value is of type `isize` = note: `isize` does not have a fixed maximum value, so a wildcard `_` is necessary to match exhaustively = help: add `#![feature(precise_pointer_size_matching)]` to the crate attributes to enable precise `isize` matching help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern or an explicit pattern as shown | LL | match $s { $($t)+ => {}, _ => todo!() } | ++++++++++++++ error[E0004]: non-exhaustive patterns: `_` not covered --> $DIR/pointer-sized-int.rs:35:8 | LL | m!(0isize, isize::MIN..isize::MAX | isize::MAX); | ^^^^^^ pattern `_` not covered | = note: the matched value is of type `isize` = note: `isize` does not have a fixed maximum value, so a wildcard `_` is necessary to match exhaustively = help: add `#![feature(precise_pointer_size_matching)]` to the crate attributes to enable precise `isize` matching help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern or an explicit pattern as shown | LL | match $s { $($t)+ => {}, _ => todo!() } | ++++++++++++++ error[E0004]: non-exhaustive patterns: `(_, _)` not covered --> $DIR/pointer-sized-int.rs:37:8 | LL | m!((0isize, true), (isize::MIN..5, true) | ^^^^^^^^^^^^^^ pattern `(_, _)` not covered | = note: the matched value is of type `(isize, bool)` help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern or an explicit pattern as shown | LL | match $s { $($t)+ => {}, (_, _) => todo!() } | +++++++++++++++++++ error[E0004]: non-exhaustive patterns: `_` not covered --> $DIR/pointer-sized-int.rs:41:11 | LL | match 0isize { | ^^^^^^ pattern `_` not covered | = note: the matched value is of type `isize` = note: `isize` does not have a fixed maximum value, so a wildcard `_` is necessary to match exhaustively = help: add `#![feature(precise_pointer_size_matching)]` to the crate attributes to enable precise `isize` matching help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern or an explicit pattern as shown | LL ~ 1 ..= isize::MAX => {} LL + _ => todo!() | error[E0004]: non-exhaustive patterns: type `usize` is non-empty --> $DIR/pointer-sized-int.rs:48:11 | LL | match 7usize {} | ^^^^^^ | = note: the matched value is of type `usize` help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern as shown | LL ~ match 7usize { LL + _ => todo!(), LL + } | error: aborting due to 12 previous errors For more information about this error, try `rustc --explain E0004`.