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体验新版 GitCode,发现更多精彩内容 >>
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88b5f938
编写于
8月 02, 2010
作者:
J
José Valim
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差异文件
Bring returning back to ease migration.
上级
9effe3cc
变更
2
隐藏空白更改
内联
并排
Showing
2 changed file
with
44 addition
and
0 deletion
+44
-0
activesupport/lib/active_support/core_ext/object.rb
activesupport/lib/active_support/core_ext/object.rb
+1
-0
activesupport/lib/active_support/core_ext/object/returning.rb
...vesupport/lib/active_support/core_ext/object/returning.rb
+43
-0
未找到文件。
activesupport/lib/active_support/core_ext/object.rb
浏览文件 @
88b5f938
...
...
@@ -2,6 +2,7 @@
require
'active_support/core_ext/object/blank'
require
'active_support/core_ext/object/duplicable'
require
'active_support/core_ext/object/try'
require
'active_support/core_ext/object/returning'
require
'active_support/core_ext/object/conversions'
require
'active_support/core_ext/object/instance_variables'
...
...
activesupport/lib/active_support/core_ext/object/returning.rb
0 → 100644
浏览文件 @
88b5f938
class
Object
# Returns +value+ after yielding +value+ to the block. This simplifies the
# process of constructing an object, performing work on the object, and then
# returning the object from a method. It is a Ruby-ized realization of the K
# combinator, courtesy of Mikael Brockman.
#
# ==== Examples
#
# # Without returning
# def foo
# values = []
# values << "bar"
# values << "baz"
# return values
# end
#
# foo # => ['bar', 'baz']
#
# # returning with a local variable
# def foo
# returning values = [] do
# values << 'bar'
# values << 'baz'
# end
# end
#
# foo # => ['bar', 'baz']
#
# # returning with a block argument
# def foo
# returning [] do |values|
# values << 'bar'
# values << 'baz'
# end
# end
#
# foo # => ['bar', 'baz']
def
returning
(
value
)
ActiveSupport
::
Deprecation
.
warn
(
'Object#returning has been deprecated in favor of Object#tap.'
,
caller
)
yield
(
value
)
value
end
end
\ No newline at end of file
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