diff options
Diffstat (limited to 'src/test/ui/autoref-autoderef/autoderef-method-twice-but-not-thrice.rs')
-rw-r--r-- | src/test/ui/autoref-autoderef/autoderef-method-twice-but-not-thrice.rs | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/test/ui/autoref-autoderef/autoderef-method-twice-but-not-thrice.rs b/src/test/ui/autoref-autoderef/autoderef-method-twice-but-not-thrice.rs new file mode 100644 index 000000000..3657e61d4 --- /dev/null +++ b/src/test/ui/autoref-autoderef/autoderef-method-twice-but-not-thrice.rs @@ -0,0 +1,15 @@ +// run-pass +#![allow(non_camel_case_types)] + +trait double { + fn double(self: Box<Self>) -> usize; +} + +impl double for Box<usize> { + fn double(self: Box<Box<usize>>) -> usize { **self * 2 } +} + +pub fn main() { + let x: Box<Box<Box<Box<Box<_>>>>> = Box::new(Box::new(Box::new(Box::new(Box::new(3))))); + assert_eq!(x.double(), 6); +} |