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Diffstat (limited to 'tests/ui/parser/intersection-patterns-1.rs')
-rw-r--r-- | tests/ui/parser/intersection-patterns-1.rs | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/tests/ui/parser/intersection-patterns-1.rs b/tests/ui/parser/intersection-patterns-1.rs new file mode 100644 index 000000000..1036b9daf --- /dev/null +++ b/tests/ui/parser/intersection-patterns-1.rs @@ -0,0 +1,35 @@ +// This tests the parser recovery in `recover_intersection_pat` +// and serves as a regression test for the diagnostics issue #65400. +// +// The general idea is that for `$pat_lhs @ $pat_rhs` where +// `$pat_lhs` is not generated by `ref? mut? $ident` we want +// to suggest either switching the order or note that intersection +// patterns are not allowed. + +// run-rustfix + +#![allow(unused_variables)] + +fn main() { + let s: Option<u8> = None; + + match s { + Some(x) @ y => {} + //~^ ERROR pattern on wrong side of `@` + //~| pattern on the left, should be on the right + //~| binding on the right, should be on the left + //~| HELP switch the order + //~| SUGGESTION y @ Some(x) + _ => {} + } + + match 2 { + 1 ..= 5 @ e => {} + //~^ ERROR pattern on wrong side of `@` + //~| pattern on the left, should be on the right + //~| binding on the right, should be on the left + //~| HELP switch the order + //~| SUGGESTION e @ 1..=5 + _ => {} + } +} |