diff options
Diffstat (limited to 'tests/ui/issues/issue-69455.rs')
-rw-r--r-- | tests/ui/issues/issue-69455.rs | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/tests/ui/issues/issue-69455.rs b/tests/ui/issues/issue-69455.rs new file mode 100644 index 000000000..a53aadcfa --- /dev/null +++ b/tests/ui/issues/issue-69455.rs @@ -0,0 +1,31 @@ +// Regression test for #69455: projection predicate was not satisfied. +// Compiler should indicate the correct location of the +// unsatisfied projection predicate + +pub trait Test<Rhs = Self> { + type Output; + + fn test(self, rhs: Rhs) -> Self::Output; +} + +impl Test<u32> for u64 { + type Output = u64; + + fn test(self, other: u32) -> u64 { + self + (other as u64) + } +} + +impl Test<u64> for u64 { + type Output = u64; + + fn test(self, other: u64) -> u64 { + (self + other) as u64 + } +} + +fn main() { + let xs: Vec<u64> = vec![1, 2, 3]; + println!("{}", 23u64.test(xs.iter().sum())); //~ ERROR: type annotations needed + //~^ ERROR type annotations needed +} |