diff options
Diffstat (limited to 'src/test/ui/objects-owned-object-borrowed-method-headerless.rs')
| -rw-r--r-- | src/test/ui/objects-owned-object-borrowed-method-headerless.rs | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/src/test/ui/objects-owned-object-borrowed-method-headerless.rs b/src/test/ui/objects-owned-object-borrowed-method-headerless.rs new file mode 100644 index 00000000000..9b88d8ea7bc --- /dev/null +++ b/src/test/ui/objects-owned-object-borrowed-method-headerless.rs @@ -0,0 +1,33 @@ +// run-pass +// Test invoked `&self` methods on owned objects where the values +// closed over do not contain managed values, and thus the boxes do +// not have headers. + +#![feature(box_syntax)] + + +trait FooTrait { + fn foo(&self) -> usize; +} + +struct BarStruct { + x: usize +} + +impl FooTrait for BarStruct { + fn foo(&self) -> usize { + self.x + } +} + +pub fn main() { + let foos: Vec<Box<dyn FooTrait>> = vec![ + box BarStruct{ x: 0 } as Box<dyn FooTrait>, + box BarStruct{ x: 1 } as Box<dyn FooTrait>, + box BarStruct{ x: 2 } as Box<dyn FooTrait> + ]; + + for i in 0..foos.len() { + assert_eq!(i, foos[i].foo()); + } +} |
