22 lines
592 B
Rust
22 lines
592 B
Rust
#[doc = "The identity function"]
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pure fn id<T: copy>(x: T) -> T { x }
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/* FIXME (issue #141): See test/run-pass/constrained-type.rs. Uncomment
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* the constraint once fixed. */
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#[doc = "A rational number"]
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type rational = {num: int, den: int}; // : int::positive(*.den);
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pure fn rational_leq(x: rational, y: rational) -> bool {
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// NB: Uses the fact that rationals have positive denominators WLOG:
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x.num * y.den <= y.num * x.den
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}
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// Local Variables:
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// mode: rust;
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// fill-column: 78;
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// indent-tabs-mode: nil
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// c-basic-offset: 4
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// buffer-file-coding-system: utf-8-unix
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// End:
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