diff options
Diffstat (limited to 'src/test/ui/regions/regions-nested-fns.rs')
-rw-r--r-- | src/test/ui/regions/regions-nested-fns.rs | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/src/test/ui/regions/regions-nested-fns.rs b/src/test/ui/regions/regions-nested-fns.rs new file mode 100644 index 000000000..d9698ced3 --- /dev/null +++ b/src/test/ui/regions/regions-nested-fns.rs @@ -0,0 +1,24 @@ +fn ignore<T>(t: T) {} + +fn nested<'x>(x: &'x isize) { + let y = 3; + let mut ay = &y; + //~^ ERROR `y` does not live long enough [E0597] + + ignore::<Box<dyn for<'z> FnMut(&'z isize)>>(Box::new(|z| { + ay = x; + ay = &y; + //~^ ERROR `y` does not live long enough + ay = z; + //~^ ERROR borrowed data escapes outside of closure [E0521] + })); + + ignore::< Box<dyn for<'z> FnMut(&'z isize) -> &'z isize>>(Box::new(|z| { + if false { return x; } + //~^ ERROR lifetime may not live long enough + if false { return ay; } + return z; + })); +} + +fn main() {} |