21 lines
603 B
Rust
21 lines
603 B
Rust
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// In expression, `&a..=b` is treated as `(&a)..=(b)` and `box a..=b` is
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// `(box a)..=(b)`. In a pattern, however, `&a..=b` means `&(a..=b)`. This may
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// lead to confusion.
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// run-rustfix
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#![warn(ellipsis_inclusive_range_patterns)]
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pub fn main() {
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match &12 {
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&(0..=9) => {}
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//~^ WARN `...` range patterns are deprecated
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//~| HELP use `..=` for an inclusive range
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&(10 ..=15) => {}
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//~^ ERROR the range pattern here has ambiguous interpretation
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//~^^ HELP add parentheses to clarify the precedence
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&(16..=20) => {}
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_ => {}
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}
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}
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