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前往新版Gitcode,体验更适合开发者的 AI 搜索 >>
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01ede9a2
编写于
3月 10, 2012
作者:
G
Guillermo Iguaran
浏览文件
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电子邮件补丁
差异文件
Add ActiveRecord::Base#slice to slice method calls
上级
15550239
变更
2
隐藏空白更改
内联
并排
Showing
2 changed file
with
18 addition
and
0 deletion
+18
-0
activerecord/lib/active_record/core.rb
activerecord/lib/active_record/core.rb
+6
-0
activerecord/test/cases/base_test.rb
activerecord/test/cases/base_test.rb
+12
-0
未找到文件。
activerecord/lib/active_record/core.rb
浏览文件 @
01ede9a2
require
'active_support/concern'
require
'active_support/core_ext/hash/indifferent_access'
require
'thread'
module
ActiveRecord
...
...
@@ -326,6 +327,11 @@ def inspect
"#<
#{
self
.
class
}
#{
inspection
}
>"
end
# Returns a hash of the given methods with their names as keys and returned values as values.
def
slice
(
*
methods
)
Hash
[
methods
.
map
{
|
method
|
[
method
,
public_send
(
method
)]
}].
with_indifferent_access
end
private
# Under Ruby 1.9, Array#flatten will call #to_ary (recursively) on each of the elements
...
...
activerecord/test/cases/base_test.rb
浏览文件 @
01ede9a2
...
...
@@ -2057,4 +2057,16 @@ def type_cast value
def
test_typecasting_aliases
assert_equal
10
,
Topic
.
select
(
'10 as tenderlove'
).
first
.
tenderlove
end
def
test_slice
company
=
Company
.
new
(
:rating
=>
1
,
:name
=>
"37signals"
,
:firm_name
=>
"37signals"
)
hash
=
company
.
slice
(
:name
,
:rating
,
"arbitrary_method"
)
assert_equal
hash
[
:name
],
company
.
name
assert_equal
hash
[
'name'
],
company
.
name
assert_equal
hash
[
:rating
],
company
.
rating
assert_equal
hash
[
'arbitrary_method'
],
company
.
arbitrary_method
assert_equal
hash
[
:arbitrary_method
],
company
.
arbitrary_method
assert_nil
hash
[
:firm_name
]
assert_nil
hash
[
'firm_name'
]
end
end
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