diff options
Diffstat (limited to 'src/test/ui/span/issue28498-reject-ex1.rs')
-rw-r--r-- | src/test/ui/span/issue28498-reject-ex1.rs | 37 |
1 files changed, 0 insertions, 37 deletions
diff --git a/src/test/ui/span/issue28498-reject-ex1.rs b/src/test/ui/span/issue28498-reject-ex1.rs deleted file mode 100644 index 4d1b41255..000000000 --- a/src/test/ui/span/issue28498-reject-ex1.rs +++ /dev/null @@ -1,37 +0,0 @@ -// Example taken from RFC 1238 text - -// https://github.com/rust-lang/rfcs/blob/master/text/1238-nonparametric-dropck.md -// #examples-of-code-that-will-start-to-be-rejected - -// Compare against test/run-pass/issue28498-must-work-ex2.rs - -use std::cell::Cell; - -struct Concrete<'a>(u32, Cell<Option<&'a Concrete<'a>>>); - -struct Foo<T> { data: Vec<T> } - -fn potentially_specialized_wrt_t<T>(t: &T) { - // Hypothetical code that does one thing for generic T and then is - // specialized for T == Concrete (and the specialized form can - // then access a reference held in concrete tuple). - // - // (We don't have specialization yet, but we want to allow for it - // in the future.) -} - -impl<T> Drop for Foo<T> { - fn drop(&mut self) { - potentially_specialized_wrt_t(&self.data[0]) - } -} - -fn main() { - let mut foo = Foo { data: Vec::new() }; - foo.data.push(Concrete(0, Cell::new(None))); - foo.data.push(Concrete(0, Cell::new(None))); - - foo.data[0].1.set(Some(&foo.data[1])); - //~^ ERROR borrow may still be in use when destructor runs - foo.data[1].1.set(Some(&foo.data[0])); -} |