mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-23 23:34:48 +00:00
21 lines
707 B
Rust
21 lines
707 B
Rust
// We are going to disallow `&a..=b` and `box a..=b` in a pattern. However, the
|
|
// older ... syntax is still allowed as a stability guarantee.
|
|
|
|
#![feature(box_patterns)]
|
|
#![warn(ellipsis_inclusive_range_patterns)]
|
|
|
|
fn main() {
|
|
match Box::new(12) {
|
|
// FIXME: can we add suggestions like `&(0..=9)`?
|
|
box 0...9 => {}
|
|
//~^ WARN `...` range patterns are deprecated
|
|
//~| WARN this is accepted in the current edition
|
|
//~| HELP use `..=` for an inclusive range
|
|
box 10..=15 => {}
|
|
//~^ ERROR the range pattern here has ambiguous interpretation
|
|
//~^^ HELP add parentheses to clarify the precedence
|
|
box (16..=20) => {}
|
|
_ => {}
|
|
}
|
|
}
|