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author | Pratik Naik <pratiknaik@gmail.com> | 2008-07-16 13:00:36 +0100 |
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committer | Pratik Naik <pratiknaik@gmail.com> | 2008-07-16 13:01:23 +0100 |
commit | 0432d151647f2178ddee79979827d552447c251f (patch) | |
tree | 7c772cd260eb051cd7b80cf91468555f03db9e11 /activesupport/lib/active_support/core_ext/hash | |
parent | f7d08acd5e0650658383e3d3f86d6ff5b49e9030 (diff) | |
download | rails-0432d151647f2178ddee79979827d552447c251f.tar.gz rails-0432d151647f2178ddee79979827d552447c251f.tar.bz2 rails-0432d151647f2178ddee79979827d552447c251f.zip |
Merge with docrails.
Diffstat (limited to 'activesupport/lib/active_support/core_ext/hash')
-rw-r--r-- | activesupport/lib/active_support/core_ext/hash/except.rb | 2 | ||||
-rw-r--r-- | activesupport/lib/active_support/core_ext/hash/reverse_merge.rb | 17 |
2 files changed, 13 insertions, 6 deletions
diff --git a/activesupport/lib/active_support/core_ext/hash/except.rb b/activesupport/lib/active_support/core_ext/hash/except.rb index bc97fa35a6..f26d01553d 100644 --- a/activesupport/lib/active_support/core_ext/hash/except.rb +++ b/activesupport/lib/active_support/core_ext/hash/except.rb @@ -13,7 +13,7 @@ module ActiveSupport #:nodoc: clone.except!(*keys) end - # Replaces the hash without only the given keys. + # Replaces the hash without the given keys. def except!(*keys) keys.map! { |key| convert_key(key) } if respond_to?(:convert_key) keys.each { |key| delete(key) } diff --git a/activesupport/lib/active_support/core_ext/hash/reverse_merge.rb b/activesupport/lib/active_support/core_ext/hash/reverse_merge.rb index 7af10846e7..546e261cc9 100644 --- a/activesupport/lib/active_support/core_ext/hash/reverse_merge.rb +++ b/activesupport/lib/active_support/core_ext/hash/reverse_merge.rb @@ -1,21 +1,28 @@ module ActiveSupport #:nodoc: module CoreExtensions #:nodoc: module Hash #:nodoc: - # Allows for reverse merging where its the keys in the calling hash that wins over those in the <tt>other_hash</tt>. - # This is particularly useful for initializing an incoming option hash with default values: + # Allows for reverse merging two hashes where the keys in the calling hash take precedence over those + # in the <tt>other_hash</tt>. This is particularly useful for initializing an option hash with default values: # # def setup(options = {}) # options.reverse_merge! :size => 25, :velocity => 10 # end # - # The default <tt>:size</tt> and <tt>:velocity</tt> is only set if the +options+ passed in doesn't already have those keys set. + # Using <tt>merge</tt>, the above example would look as follows: + # + # def setup(options = {}) + # { :size => 25, :velocity => 10 }.merge(options) + # end + # + # The default <tt>:size</tt> and <tt>:velocity</tt> are only set if the +options+ hash passed in doesn't already + # have the respective key. module ReverseMerge - # Performs the opposite of merge, with the keys and values from the first hash taking precedence over the second. + # Performs the opposite of <tt>merge</tt>, with the keys and values from the first hash taking precedence over the second. def reverse_merge(other_hash) other_hash.merge(self) end - # Performs the opposite of merge, with the keys and values from the first hash taking precedence over the second. + # Performs the opposite of <tt>merge</tt>, with the keys and values from the first hash taking precedence over the second. # Modifies the receiver in place. def reverse_merge!(other_hash) replace(reverse_merge(other_hash)) |