source:
EcnlProtoTool/trunk/mruby-2.1.1/mrbgems/mruby-numeric-ext/mrblib/numeric_ext.rb@
449
Last change on this file since 449 was 439, checked in by , 4 years ago | |
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File size: 199 bytes |
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1 | class Numeric |
2 | def zero? |
3 | self == 0 |
4 | end |
5 | |
6 | def nonzero? |
7 | if self == 0 |
8 | nil |
9 | else |
10 | self |
11 | end |
12 | end |
13 | |
14 | def positive? |
15 | self > 0 |
16 | end |
17 | |
18 | def negative? |
19 | self < 0 |
20 | end |
21 | end |
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