10 lines
227 B
Rust
10 lines
227 B
Rust
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// -*- rust -*-
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fn main() { assert (even(42)); assert (odd(45)); }
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fn even(n: int) -> bool { if n == 0 { ret true; } else { ret odd(n - 1); } }
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fn odd(n: int) -> bool { if n == 0 { ret false; } else { ret even(n - 1); } }
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