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-rw-r--r--tests/ui/nll/issue-32382-index-assoc-type-with-lifetime.rs41
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diff --git a/tests/ui/nll/issue-32382-index-assoc-type-with-lifetime.rs b/tests/ui/nll/issue-32382-index-assoc-type-with-lifetime.rs
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+++ b/tests/ui/nll/issue-32382-index-assoc-type-with-lifetime.rs
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+// check-pass
+
+// rust-lang/rust#32382: Borrow checker used to complain about
+// `foobar_3` in the `impl` below, presumably due to some interaction
+// between the use of a lifetime in the associated type and the use of
+// the overloaded operator[]. This regression test ensures that we do
+// not resume complaining about it in the future.
+
+
+use std::marker::PhantomData;
+use std::ops::Index;
+
+pub trait Context: Clone {
+ type Container: ?Sized;
+ fn foobar_1( container: &Self::Container ) -> &str;
+ fn foobar_2( container: &Self::Container ) -> &str;
+ fn foobar_3( container: &Self::Container ) -> &str;
+}
+
+#[derive(Clone)]
+struct Foobar<'a> {
+ phantom: PhantomData<&'a ()>
+}
+
+impl<'a> Context for Foobar<'a> {
+ type Container = [&'a str];
+
+ fn foobar_1<'r>( container: &'r [&'a str] ) -> &'r str {
+ container[0]
+ }
+
+ fn foobar_2<'r>( container: &'r Self::Container ) -> &'r str {
+ container.index( 0 )
+ }
+
+ fn foobar_3<'r>( container: &'r Self::Container ) -> &'r str {
+ container[0]
+ }
+}
+
+fn main() { }