| // Regression test: issue had to do with "givens" in region inference, |
| // which were not being considered during the contraction phase. |
| |
| // run-fail |
| // error-pattern:explicit panic |
| // ignore-emscripten no processes |
| |
| struct Parser<'i: 't, 't>(&'i u8, &'t u8); |
| |
| impl<'i, 't> Parser<'i, 't> { |
| fn parse_nested_block<F, T>(&mut self, parse: F) -> Result<T, ()> |
| where for<'tt> F: FnOnce(&mut Parser<'i, 'tt>) -> T |
| { |
| panic!() |
| } |
| |
| fn expect_exhausted(&mut self) -> Result<(), ()> { |
| Ok(()) |
| } |
| } |
| |
| fn main() { |
| let x = 0u8; |
| Parser(&x, &x).parse_nested_block(|input| input.expect_exhausted()).unwrap(); |
| } |
