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As discovered by Miri, the lean variant of beef leaks memory. I verified that by adding this patch
diff --git a/src/generic.rs b/src/generic.rs
index add1a9b..9fa0981 100644
--- a/src/generic.rs
+++ b/src/generic.rs
@@ -170,6 +170,7 @@ where
#[inline]
fn drop(&mut self) {
if let Some(capacity) = self.capacity() {
+ panic!("dropping!");
unsafe { T::owned_from_parts::<U>(self.inner, capacity) };
}
}and then running cargo test lean. Clearly that should drop the contents and thus panic at some point, but it does not.
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