error[E0030]: lower range bound must be less than or equal to upper --> $DIR/E0030-teach.rs:5:9 | LL | 1000 ..= 5 => {} | ^^^^ lower bound larger than upper bound | = note: When matching against a range, the compiler verifies that the range is non-empty. Range patterns include both end-points, so this is equivalent to requiring the start of the range to be less than or equal to the end of the range. error: aborting due to previous error For more information about this error, try `rustc --explain E0030`.