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Diffstat (limited to 'src/test/ui/associated-types/issue-48551.rs')
-rw-r--r-- | src/test/ui/associated-types/issue-48551.rs | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/src/test/ui/associated-types/issue-48551.rs b/src/test/ui/associated-types/issue-48551.rs new file mode 100644 index 000000000..b95a4832b --- /dev/null +++ b/src/test/ui/associated-types/issue-48551.rs @@ -0,0 +1,34 @@ +// check-pass +// Regression test for #48551. Covers a case where duplicate candidates +// arose during associated type projection. + +use std::ops::{Mul, MulAssign}; + +pub trait ClosedMul<Right>: Sized + Mul<Right, Output = Self> + MulAssign<Right> {} +impl<T, Right> ClosedMul<Right> for T +where + T: Mul<Right, Output = T> + MulAssign<Right>, +{ +} + +pub trait InnerSpace: ClosedMul<<Self as InnerSpace>::Real> { + type Real; +} + +pub trait FiniteDimVectorSpace: ClosedMul<<Self as FiniteDimVectorSpace>::Field> { + type Field; +} + +pub trait FiniteDimInnerSpace + : InnerSpace + FiniteDimVectorSpace<Field = <Self as InnerSpace>::Real> { +} + +pub trait EuclideanSpace: ClosedMul<<Self as EuclideanSpace>::Real> { + type Coordinates: FiniteDimInnerSpace<Real = Self::Real> + + Mul<Self::Real, Output = Self::Coordinates> + + MulAssign<Self::Real>; + + type Real; +} + +fn main() {} |