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| author | Marijn Haverbeke <[email protected]> | 2011-05-12 17:24:54 +0200 |
|---|---|---|
| committer | Marijn Haverbeke <[email protected]> | 2011-05-12 21:30:44 +0200 |
| commit | 3816e57fd2a8ab19e4ac6d4b3ddd5b49d5973ff2 (patch) | |
| tree | 508982ed2f789aedd89eebd529343d9dc88b8e01 /src/lib/util.rs | |
| parent | Transitional change to make extfmt output lowercase module name (diff) | |
| download | rust-3816e57fd2a8ab19e4ac6d4b3ddd5b49d5973ff2.tar.xz rust-3816e57fd2a8ab19e4ac6d4b3ddd5b49d5973ff2.zip | |
Downcase std modules again, move to :: for module dereferencing
This should be a snapshot transition.
Diffstat (limited to 'src/lib/util.rs')
| -rw-r--r-- | src/lib/util.rs | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/src/lib/util.rs b/src/lib/util.rs new file mode 100644 index 00000000..b8d8ed65 --- /dev/null +++ b/src/lib/util.rs @@ -0,0 +1,33 @@ +fn id[T](&T x) -> T { + ret x; +} + +/* FIXME (issue #141): See test/run-pass/constrained-type.rs. Uncomment + * the constraint once fixed. */ +type rational = rec(int num, int den); // : _int::positive(*.den); + +fn rational_leq(&rational x, &rational y) -> bool { + // NB: Uses the fact that rationals have positive denominators WLOG: + ret x.num * y.den <= y.num * x.den; +} + +fn fst[T, U](&tup(T, U) x) -> T { + ret x._0; +} + +fn snd[T, U](&tup(T, U) x) -> U { + ret x._1; +} + +fn orb(&bool a, &bool b) -> bool { + ret a || b; +} + +// Local Variables: +// mode: rust; +// fill-column: 78; +// indent-tabs-mode: nil +// c-basic-offset: 4 +// buffer-file-coding-system: utf-8-unix +// compile-command: "make -k -C .. 2>&1 | sed -e 's/\\/x\\//x:\\//g'"; +// End: |