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authorAlbert Larsan <74931857+albertlarsan68@users.noreply.github.com>2023-01-05 09:13:28 +0100
committerAlbert Larsan <74931857+albertlarsan68@users.noreply.github.com>2023-01-11 09:32:08 +0000
commitcf2dff2b1e3fa55fa5415d524200070d0d7aacfe (patch)
tree40a88d9a46aaf3e8870676eb2538378b75a263eb /tests/ui/nll/issue-55850.rs
parentca855e6e42787ecd062d81d53336fe6788ef51a9 (diff)
downloadrust-cf2dff2b1e3fa55fa5415d524200070d0d7aacfe.tar.gz
rust-cf2dff2b1e3fa55fa5415d524200070d0d7aacfe.zip
Move /src/test to /tests
Diffstat (limited to 'tests/ui/nll/issue-55850.rs')
-rw-r--r--tests/ui/nll/issue-55850.rs35
1 files changed, 35 insertions, 0 deletions
diff --git a/tests/ui/nll/issue-55850.rs b/tests/ui/nll/issue-55850.rs
new file mode 100644
index 00000000000..e6279bd028e
--- /dev/null
+++ b/tests/ui/nll/issue-55850.rs
@@ -0,0 +1,35 @@
+#![allow(unused_mut)]
+#![feature(generators, generator_trait)]
+
+use std::marker::Unpin;
+use std::ops::Generator;
+use std::ops::GeneratorState::Yielded;
+use std::pin::Pin;
+
+pub struct GenIter<G>(G);
+
+impl <G> Iterator for GenIter<G>
+where
+    G: Generator + Unpin,
+{
+    type Item = G::Yield;
+
+    fn next(&mut self) -> Option<Self::Item> {
+        match Pin::new(&mut self.0).resume(()) {
+            Yielded(y) => Some(y),
+            _ => None
+        }
+    }
+}
+
+fn bug<'a>() -> impl Iterator<Item = &'a str> {
+    GenIter(move || {
+        let mut s = String::new();
+        yield &s[..] //~ ERROR cannot yield value referencing local variable `s` [E0515]
+        //~| ERROR borrow may still be in use when generator yields
+    })
+}
+
+fn main() {
+    bug();
+}