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体验新版 GitCode,发现更多精彩内容 >>
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72f9fec6
编写于
6月 13, 2010
作者:
X
Xavier Noria
浏览文件
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浏览文件
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电子邮件补丁
差异文件
hash merging with a block ignores non-existing keys altogether
上级
9183eaeb
变更
2
隐藏空白更改
内联
并排
Showing
2 changed file
with
17 addition
and
18 deletion
+17
-18
activesupport/lib/active_support/ordered_hash.rb
activesupport/lib/active_support/ordered_hash.rb
+1
-1
activesupport/test/ordered_hash_test.rb
activesupport/test/ordered_hash_test.rb
+16
-17
未找到文件。
activesupport/lib/active_support/ordered_hash.rb
浏览文件 @
72f9fec6
...
...
@@ -131,7 +131,7 @@ def shift
def
merge!
(
other_hash
)
if
block_given?
other_hash
.
each
{
|
k
,
v
|
self
[
k
]
=
yield
(
k
,
self
[
k
],
v
)
}
other_hash
.
each
{
|
k
,
v
|
self
[
k
]
=
yield
(
k
,
self
[
k
],
v
)
if
key?
k
}
else
other_hash
.
each
{
|
k
,
v
|
self
[
k
]
=
v
}
end
...
...
activesupport/test/ordered_hash_test.rb
浏览文件 @
72f9fec6
...
...
@@ -144,28 +144,27 @@ def test_merge
end
def
test_merge_with_block
other_
hash
=
ActiveSupport
::
OrderedHash
.
new
other_hash
[
'white'
]
=
'ff'
other_hash
[
'black'
]
=
'00'
merged
=
@ordered_hash
.
merge
(
other_hash
)
do
|
key
,
old_value
,
new_value
|
new_value
*
3
hash
=
ActiveSupport
::
OrderedHash
.
new
hash
[
:a
]
=
0
hash
[
:b
]
=
0
merged
=
hash
.
merge
(
:b
=>
1
,
:c
=>
2
)
do
|
key
,
old_value
,
new_value
|
new_value
+
1
end
assert_equal
'ffffff'
,
merged
[
'white'
]
assert_equal
'000000'
,
merged
[
'black'
]
assert_nil
@ordered_hash
[
'white'
]
assert_nil
@ordered_hash
[
'black'
]
assert_equal
0
,
merged
[
:a
]
assert_equal
2
,
merged
[
:b
]
assert
!
merged
.
key?
(
:c
)
end
def
test_merge_bang_with_block
other_
hash
=
ActiveSupport
::
OrderedHash
.
new
other_hash
[
'white'
]
=
'ff'
other_hash
[
'black'
]
=
'00'
@ordered_hash
.
merge!
(
other_hash
)
do
|
key
,
old_value
,
new_value
|
new_value
*
3
hash
=
ActiveSupport
::
OrderedHash
.
new
hash
[
:a
]
=
0
hash
[
:b
]
=
0
hash
.
merge!
(
:a
=>
1
,
:c
=>
2
)
do
|
key
,
old_value
,
new_value
|
new_value
+
3
end
assert_equal
'ffffff'
,
@ordered_hash
[
'white'
]
assert_equal
'000000'
,
@ordered_hash
[
'black'
]
assert_equal
4
,
hash
[
:a
]
assert_equal
0
,
hash
[
:b
]
assert
!
hash
.
key?
(
:c
)
end
def
test_shift
...
...
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