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-rw-r--r--tests/ui/impl-trait/issues/issue-87295.rs18
1 files changed, 18 insertions, 0 deletions
diff --git a/tests/ui/impl-trait/issues/issue-87295.rs b/tests/ui/impl-trait/issues/issue-87295.rs
new file mode 100644
index 000000000..aeb8f8332
--- /dev/null
+++ b/tests/ui/impl-trait/issues/issue-87295.rs
@@ -0,0 +1,18 @@
+trait Trait {
+ type Output;
+}
+impl Trait for () {
+ type Output = i32;
+}
+
+struct Struct<F>(F);
+impl<F> Struct<F> {
+ pub fn new(_: F) -> Self {
+ todo!()
+ }
+}
+
+fn main() {
+ let _do_not_waste: Struct<impl Trait<Output = i32>> = Struct::new(());
+ //~^ `impl Trait` only allowed in function and inherent method return types
+}