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体验新版 GitCode,发现更多精彩内容 >>
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5071b727
编写于
10月 28, 2010
作者:
P
Piotr Sarnacki
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差异文件
Added Hash#deep_dup function which performs deep duplication on given hash
上级
cfbe5958
变更
3
隐藏空白更改
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并排
Showing
3 changed file
with
27 addition
and
0 deletion
+27
-0
activesupport/lib/active_support/core_ext/hash.rb
activesupport/lib/active_support/core_ext/hash.rb
+1
-0
activesupport/lib/active_support/core_ext/hash/deep_dup.rb
activesupport/lib/active_support/core_ext/hash/deep_dup.rb
+11
-0
activesupport/test/core_ext/hash_ext_test.rb
activesupport/test/core_ext/hash_ext_test.rb
+15
-0
未找到文件。
activesupport/lib/active_support/core_ext/hash.rb
浏览文件 @
5071b727
require
'active_support/core_ext/hash/conversions'
require
'active_support/core_ext/hash/deep_merge'
require
'active_support/core_ext/hash/deep_dup'
require
'active_support/core_ext/hash/diff'
require
'active_support/core_ext/hash/except'
require
'active_support/core_ext/hash/indifferent_access'
...
...
activesupport/lib/active_support/core_ext/hash/deep_dup.rb
0 → 100644
浏览文件 @
5071b727
class
Hash
# Returns a deep copy of hash.
def
deep_dup
duplicate
=
self
.
dup
duplicate
.
each_pair
do
|
k
,
v
|
tv
=
duplicate
[
k
]
duplicate
[
k
]
=
tv
.
is_a?
(
Hash
)
&&
v
.
is_a?
(
Hash
)
?
tv
.
deep_dup
:
v
end
duplicate
end
end
activesupport/test/core_ext/hash_ext_test.rb
浏览文件 @
5071b727
...
...
@@ -316,6 +316,21 @@ def test_deep_merge_on_indifferent_access
assert_equal
expected
,
hash_1
end
def
test_deep_dup
hash
=
{
:a
=>
{
:b
=>
'b'
}
}
dup
=
hash
.
deep_dup
dup
[
:a
][
:c
]
=
'c'
assert_equal
nil
,
hash
[
:a
][
:c
]
assert_equal
'c'
,
dup
[
:a
][
:c
]
end
def
test_deep_dup_initialize
zero_hash
=
Hash
.
new
0
hash
=
{
:a
=>
zero_hash
}
dup
=
hash
.
deep_dup
assert_equal
0
,
dup
[
:a
][
44
]
end
def
test_store_on_indifferent_access
hash
=
HashWithIndifferentAccess
.
new
hash
.
store
(
:test1
,
1
)
...
...
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