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体验新版 GitCode,发现更多精彩内容 >>
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e54277a4
编写于
5月 13, 2015
作者:
D
David Heinemeier Hansson
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差异文件
Add Integer#positive? and Integer#negative? query methods in the vein of Fixnum#zero?
上级
07ad2a94
变更
4
隐藏空白更改
内联
并排
Showing
4 changed file
with
37 addition
and
0 deletion
+37
-0
activesupport/CHANGELOG.md
activesupport/CHANGELOG.md
+5
-0
activesupport/lib/active_support/core_ext/integer.rb
activesupport/lib/active_support/core_ext/integer.rb
+1
-0
activesupport/lib/active_support/core_ext/integer/inquiry.rb
activesupport/lib/active_support/core_ext/integer/inquiry.rb
+19
-0
activesupport/test/core_ext/integer_ext_test.rb
activesupport/test/core_ext/integer_ext_test.rb
+12
-0
未找到文件。
activesupport/CHANGELOG.md
浏览文件 @
e54277a4
*
Add Integer#positive? and Integer#negative? query methods in the vein of Fixnum#zero?
This makes it nicer to do things like bunch_of_numbers.select(&:positive?).
*DHH*
*
Encoding ActiveSupport::TimeWithZone to YAML now preserves the timezone information.
Fixes #9183.
...
...
activesupport/lib/active_support/core_ext/integer.rb
浏览文件 @
e54277a4
require
'active_support/core_ext/integer/multiple'
require
'active_support/core_ext/integer/inflections'
require
'active_support/core_ext/integer/inquiry'
require
'active_support/core_ext/integer/time'
activesupport/lib/active_support/core_ext/integer/inquiry.rb
0 → 100644
浏览文件 @
e54277a4
class
Integer
# 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 positive.
#
# -1.positive? # => true
# 0.positive? # => false
# 1.positive? # => false
def
negative?
self
<
0
end
end
activesupport/test/core_ext/integer_ext_test.rb
浏览文件 @
e54277a4
...
...
@@ -27,4 +27,16 @@ def test_ordinal
assert_equal
'st'
,
1
.
ordinal
assert_equal
'th'
,
8
.
ordinal
end
def
test_positive
assert
1
.
positive?
assert_not
0
.
positive?
assert_not
-
1
.
positive?
end
def
test_negative
assert
-
1
.
negative?
assert_not
0
.
negative?
assert_not
1
.
negative?
end
end
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