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Diffstat (limited to 'tests/ui/sized/coinductive-2.rs')
-rw-r--r-- | tests/ui/sized/coinductive-2.rs | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/tests/ui/sized/coinductive-2.rs b/tests/ui/sized/coinductive-2.rs new file mode 100644 index 000000000..212274d2e --- /dev/null +++ b/tests/ui/sized/coinductive-2.rs @@ -0,0 +1,28 @@ +// run-pass +struct Node<C: CollectionFactory<Self>> { + _children: C::Collection, +} + +trait CollectionFactory<T> { + type Collection; +} + +impl<T> CollectionFactory<T> for Vec<()> { + type Collection = Vec<T>; +} + +trait Collection<T>: Sized { + fn push(&mut self, v: T); +} + +impl<T> Collection<T> for Vec<T> { + fn push(&mut self, v: T) { + self.push(v) + } +} + +fn main() { + let _ = Node::<Vec<()>> { + _children: Vec::new(), + }; +} |