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-rw-r--r--src/test/ui/generic-associated-types/elided-in-expr-position.rs38
1 files changed, 38 insertions, 0 deletions
diff --git a/src/test/ui/generic-associated-types/elided-in-expr-position.rs b/src/test/ui/generic-associated-types/elided-in-expr-position.rs
new file mode 100644
index 000000000..482d0d5c0
--- /dev/null
+++ b/src/test/ui/generic-associated-types/elided-in-expr-position.rs
@@ -0,0 +1,38 @@
+#![feature(generic_associated_types)]
+#![allow(unused)]
+
+pub trait Trait {
+ type Assoc<'a> where Self: 'a;
+
+ fn f(&self) -> Self::Assoc<'_>;
+
+ // Disallow elision in return position, for now
+ fn g(&self) -> Self::Assoc;
+ //~^ ERROR missing generics for associated type `Trait::Assoc`
+}
+
+pub struct Struct {
+ item: f32
+}
+
+pub struct GenericStruct<'a> {
+ ref_item: &'a f32
+}
+
+impl Trait for Struct {
+ type Assoc<'a> = GenericStruct<'a>;
+
+ fn f(&self) -> Self::Assoc<'_> {
+ Self::Assoc {
+ ref_item: &self.item
+ }
+ }
+
+ // Disallow elision in return position, for now
+ fn g(&self) -> Self::Assoc {
+ //~^ ERROR missing generics for associated type `Trait::Assoc`
+ todo!()
+ }
+}
+
+fn main() {}