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Diffstat (limited to 'integer.rb')
| -rw-r--r-- | integer.rb | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/integer.rb b/integer.rb new file mode 100644 index 0000000000..2fd32ea463 --- /dev/null +++ b/integer.rb @@ -0,0 +1,9 @@ +class Integer + # call-seq: + # int.zero? -> true or false + # + # Returns +true+ if +num+ has a zero value. + def zero? + Primitive.cexpr! 'int_zero_p(self);' + end +end |