18 lines
355 B
Rust
18 lines
355 B
Rust
// xfail-test
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// https://github.com/mozilla/rust/issues/2374
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// error-pattern:unsatisfied precondition constraint (for example, even(y
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fn print_even(y: int) : even(y) { log(debug, y); }
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pure fn even(y: int) -> bool { true }
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fn main() {
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let mut y = 42;
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check (even(y));
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loop {
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print_even(y);
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loop { y += 1; break; }
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}
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}
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