| // run-pass |
| |
| #![allow(dead_code)] |
| // Check that functions can modify local state. |
| |
| // pretty-expanded FIXME #23616 |
| |
| #![feature(box_syntax)] |
| |
| fn sums_to(v: Vec<isize> , sum: isize) -> bool { |
| let mut i = 0; |
| let mut sum0 = 0; |
| while i < v.len() { |
| sum0 += v[i]; |
| i += 1; |
| } |
| return sum0 == sum; |
| } |
| |
| fn sums_to_using_uniq(v: Vec<isize> , sum: isize) -> bool { |
| let mut i = 0; |
| let mut sum0: Box<_> = box 0; |
| while i < v.len() { |
| *sum0 += v[i]; |
| i += 1; |
| } |
| return *sum0 == sum; |
| } |
| |
| fn sums_to_using_rec(v: Vec<isize> , sum: isize) -> bool { |
| let mut i = 0; |
| let mut sum0 = F {f: 0}; |
| while i < v.len() { |
| sum0.f += v[i]; |
| i += 1; |
| } |
| return sum0.f == sum; |
| } |
| |
| struct F<T> { f: T } |
| |
| fn sums_to_using_uniq_rec(v: Vec<isize> , sum: isize) -> bool { |
| let mut i = 0; |
| let mut sum0 = F::<Box<_>> {f: box 0}; |
| while i < v.len() { |
| *sum0.f += v[i]; |
| i += 1; |
| } |
| return *sum0.f == sum; |
| } |
| |
| pub fn main() { |
| } |