diff options
Diffstat (limited to 'src/test/ui/span/borrowck-object-mutability.rs')
-rw-r--r-- | src/test/ui/span/borrowck-object-mutability.rs | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/src/test/ui/span/borrowck-object-mutability.rs b/src/test/ui/span/borrowck-object-mutability.rs new file mode 100644 index 000000000..f5adc2cc1 --- /dev/null +++ b/src/test/ui/span/borrowck-object-mutability.rs @@ -0,0 +1,26 @@ +trait Foo { + fn borrowed(&self); + fn borrowed_mut(&mut self); +} + +fn borrowed_receiver(x: &dyn Foo) { + x.borrowed(); + x.borrowed_mut(); //~ ERROR cannot borrow +} + +fn borrowed_mut_receiver(x: &mut dyn Foo) { + x.borrowed(); + x.borrowed_mut(); +} + +fn owned_receiver(x: Box<dyn Foo>) { + x.borrowed(); + x.borrowed_mut(); //~ ERROR cannot borrow +} + +fn mut_owned_receiver(mut x: Box<dyn Foo>) { + x.borrowed(); + x.borrowed_mut(); +} + +fn main() {} |