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