diff options
Diffstat (limited to 'src/test/ui/issues/issue-12028.rs')
-rw-r--r-- | src/test/ui/issues/issue-12028.rs | 38 |
1 files changed, 0 insertions, 38 deletions
diff --git a/src/test/ui/issues/issue-12028.rs b/src/test/ui/issues/issue-12028.rs deleted file mode 100644 index 7503766ff..000000000 --- a/src/test/ui/issues/issue-12028.rs +++ /dev/null @@ -1,38 +0,0 @@ -// Test an example where we fail to infer the type parameter H. This -// is because there is really nothing constraining it. At one time, we -// would infer based on the where clauses in scope, but that no longer -// works. - -trait Hash<H> { - fn hash2(&self, hasher: &H) -> u64; -} - -trait Stream { - fn input(&mut self, bytes: &[u8]); - fn result(&self) -> u64; -} - -trait StreamHasher { - type S : Stream; - fn stream(&self) -> Self::S; -} - -trait StreamHash<H: StreamHasher>: Hash<H> { - fn input_stream(&self, stream: &mut H::S); -} - -impl<H: StreamHasher> Hash<H> for u8 { - fn hash2(&self, hasher: &H) -> u64 { - let mut stream = hasher.stream(); - self.input_stream(&mut stream); //~ ERROR type annotations needed - Stream::result(&stream) - } -} - -impl<H: StreamHasher> StreamHash<H> for u8 { - fn input_stream(&self, stream: &mut H::S) { - Stream::input(stream, &[*self]); - } -} - -fn main() {} |