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authorTrevor Gross <t.gross35@gmail.com>2025-04-29 12:28:22 -0400
committerGitHub <noreply@github.com>2025-04-29 12:28:22 -0400
commita20fe8ff236c54cb32189761fd1db8f8db82053e (patch)
treee8b4ab3249b8dcd9503b2688e3c9ae2e6c2add21 /tests/ui/pattern/usefulness/refutable-pattern-errors.rs
parent4f20444ad54afb014de86554b089256c75ac2825 (diff)
parentb023856f29743a288727d13d0d1044b8e0d3f9f3 (diff)
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Rollup merge of #139909 - oli-obk:or-patterns, r=BoxyUwU
implement or-patterns for pattern types

These are necessary to represent `NonZeroI32`, as the range for that is `..0 | 1..`. The `rustc_scalar_layout_range_*` attributes avoided this by just implementing wraparound and having a single `1..=-1` range effectively. See https://rust-lang.zulipchat.com/#narrow/channel/481660-t-lang.2Fpattern-types/topic/.60or.20pattern.60.20representation.20in.20type.20system/with/504217694 for some background discussion

cc https://github.com/rust-lang/rust/issues/123646

r? `@BoxyUwU`
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