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author | Arthur Nogueira Neves <github@arthurnn.com> | 2015-04-19 09:53:19 -0700 |
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committer | Arthur Nogueira Neves <github@arthurnn.com> | 2015-04-19 09:53:19 -0700 |
commit | 4e141f16ecc9c442772e361cb526d9b381b1c93e (patch) | |
tree | de21b13bcafb3d99cfaefb1b764a5ef26a3bca24 /activesupport | |
parent | 0ff87595f0458a4ba01df27233c3ecb4000f2501 (diff) | |
parent | c94577dd5c349a53e85eca1913cfbf1efe0e7eb9 (diff) | |
download | rails-4e141f16ecc9c442772e361cb526d9b381b1c93e.tar.gz rails-4e141f16ecc9c442772e361cb526d9b381b1c93e.tar.bz2 rails-4e141f16ecc9c442772e361cb526d9b381b1c93e.zip |
Merge pull request #19799 from yui-knk/fix/wrap_doc2
[ci skip] Fix docs and guide about 'Array.wrap'
Diffstat (limited to 'activesupport')
-rw-r--r-- | activesupport/lib/active_support/core_ext/array/wrap.rb | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/activesupport/lib/active_support/core_ext/array/wrap.rb b/activesupport/lib/active_support/core_ext/array/wrap.rb index 10c5e2535d..b611d34c27 100644 --- a/activesupport/lib/active_support/core_ext/array/wrap.rb +++ b/activesupport/lib/active_support/core_ext/array/wrap.rb @@ -15,12 +15,13 @@ class Array # # * If the argument responds to +to_ary+ the method is invoked. <tt>Kernel#Array</tt> # moves on to try +to_a+ if the returned value is +nil+, but <tt>Array.wrap</tt> returns - # +nil+ right away. + # an array with the argument as its single element right away. # * If the returned value from +to_ary+ is neither +nil+ nor an +Array+ object, <tt>Kernel#Array</tt> # raises an exception, while <tt>Array.wrap</tt> does not, it just returns the value. - # * It does not call +to_a+ on the argument, but returns an empty array if argument is +nil+. + # * It does not call +to_a+ on the argument, if the argument does not respond to +to_ary+ + # it returns an array with the argument as its single element. # - # The second point is easily explained with some enumerables: + # The last point is easily explained with some enumerables: # # Array(foo: :bar) # => [[:foo, :bar]] # Array.wrap(foo: :bar) # => [{:foo=>:bar}] |