diff options
Diffstat (limited to '')
-rw-r--r-- | src/test/ui/issues/issue-25700-2.rs | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/src/test/ui/issues/issue-25700-2.rs b/src/test/ui/issues/issue-25700-2.rs new file mode 100644 index 000000000..89b1db496 --- /dev/null +++ b/src/test/ui/issues/issue-25700-2.rs @@ -0,0 +1,23 @@ +// run-pass +pub trait Parser { + type Input; +} + +pub struct Iter<P: Parser>(#[allow(unused_tuple_struct_fields)] P, P::Input); + +#[allow(unused_tuple_struct_fields)] +pub struct Map<P, F>(P, F); +impl<P, F> Parser for Map<P, F> where F: FnMut(P) { + type Input = u8; +} + +trait AstId { type Untyped; } +impl AstId for u32 { type Untyped = u32; } + +fn record_type<Id: AstId>(i: Id::Untyped) -> u8 { + Iter(Map(i, |_: Id::Untyped| {}), 42).1 +} + +pub fn main() { + assert_eq!(record_type::<u32>(3), 42); +} |