]> git.lizzy.rs Git - rust.git/blob - src/test/ui/autoref-autoderef/autoderef-method-twice-but-not-thrice.rs
Rollup merge of #106008 - uweigand:s390x-lintgroup-order, r=Nilstrieb
[rust.git] / src / test / ui / autoref-autoderef / autoderef-method-twice-but-not-thrice.rs
1 // run-pass
2 #![allow(non_camel_case_types)]
3
4 trait double {
5     fn double(self: Box<Self>) -> usize;
6 }
7
8 impl double for Box<usize> {
9     fn double(self: Box<Box<usize>>) -> usize { **self * 2 }
10 }
11
12 pub fn main() {
13     let x: Box<Box<Box<Box<Box<_>>>>> = Box::new(Box::new(Box::new(Box::new(Box::new(3)))));
14     assert_eq!(x.double(), 6);
15 }