diff options
Diffstat (limited to 'activesupport/lib/active_support/core_ext/numeric/inquiry.rb')
| -rw-r--r-- | activesupport/lib/active_support/core_ext/numeric/inquiry.rb | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/activesupport/lib/active_support/core_ext/numeric/inquiry.rb b/activesupport/lib/active_support/core_ext/numeric/inquiry.rb new file mode 100644 index 0000000000..7e7ac1b0b2 --- /dev/null +++ b/activesupport/lib/active_support/core_ext/numeric/inquiry.rb @@ -0,0 +1,26 @@ +unless 1.respond_to?(:positive?) # TODO: Remove this file when we drop support to ruby < 2.3 +class Numeric + # Returns true if the number is positive. + # + # 1.positive? # => true + # 0.positive? # => false + # -1.positive? # => false + def positive? + self > 0 + end + + # Returns true if the number is negative. + # + # -1.negative? # => true + # 0.negative? # => false + # 1.negative? # => false + def negative? + self < 0 + end +end + +class Complex + undef :positive? + undef :negative? +end +end |