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stdlib: Use if/alt expressions in std::uint

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This commit is contained in:
Brian Anderson 2011-05-22 01:41:46 -04:00
parent 1ecd6a82ab
commit c1122a6707
1 changed files with 19 additions and 19 deletions
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38
src/lib/uint.rs
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@ -58,25 +58,25 @@ fn to_str(uint num, uint radix) -> str
assert (0u < radix && radix <= 16u);
fn digit(uint n) -> char {
alt (n) {
case (0u) { ret '0'; }
case (1u) { ret '1'; }
case (2u) { ret '2'; }
case (3u) { ret '3'; }
case (4u) { ret '4'; }
case (5u) { ret '5'; }
case (6u) { ret '6'; }
case (7u) { ret '7'; }
case (8u) { ret '8'; }
case (9u) { ret '9'; }
case (10u) { ret 'a'; }
case (11u) { ret 'b'; }
case (12u) { ret 'c'; }
case (13u) { ret 'd'; }
case (14u) { ret 'e'; }
case (15u) { ret 'f'; }
}
fail;
ret alt (n) {
case (0u) { '0' }
case (1u) { '1' }
case (2u) { '2' }
case (3u) { '3' }
case (4u) { '4' }
case (5u) { '5' }
case (6u) { '6' }
case (7u) { '7' }
case (8u) { '8' }
case (9u) { '9' }
case (10u) { 'a' }
case (11u) { 'b' }
case (12u) { 'c' }
case (13u) { 'd' }
case (14u) { 'e' }
case (15u) { 'f' }
case (_) { fail }
};
}
if (n == 0u) { ret "0"; }