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author | Vijay Dev <vijaydev.cse@gmail.com> | 2012-05-15 13:13:55 +0530 |
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committer | Vijay Dev <vijaydev.cse@gmail.com> | 2012-05-15 13:13:55 +0530 |
commit | 59b03d418ff59fe6bfba6a1b651ef0ac15a2738c (patch) | |
tree | 452b7f200c87ea8a7df1d2b651f1d4f0062e50f6 /activesupport/lib/active_support/core_ext/hash/deep_merge.rb | |
parent | 0be7fabd4eb77828e7deff7513faa3834d1a021a (diff) | |
parent | 7cd88840939cac913899fa9a11281d78388672ad (diff) | |
download | rails-59b03d418ff59fe6bfba6a1b651ef0ac15a2738c.tar.gz rails-59b03d418ff59fe6bfba6a1b651ef0ac15a2738c.tar.bz2 rails-59b03d418ff59fe6bfba6a1b651ef0ac15a2738c.zip |
Merge branch 'master' of github.com:lifo/docrails
Conflicts:
actionpack/lib/action_view/helpers/asset_tag_helper.rb
Diffstat (limited to 'activesupport/lib/active_support/core_ext/hash/deep_merge.rb')
-rw-r--r-- | activesupport/lib/active_support/core_ext/hash/deep_merge.rb | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/activesupport/lib/active_support/core_ext/hash/deep_merge.rb b/activesupport/lib/active_support/core_ext/hash/deep_merge.rb index af771c86ff..023bf68a87 100644 --- a/activesupport/lib/active_support/core_ext/hash/deep_merge.rb +++ b/activesupport/lib/active_support/core_ext/hash/deep_merge.rb @@ -1,11 +1,16 @@ class Hash # Returns a new hash with +self+ and +other_hash+ merged recursively. + # + # h1 = {x: {y: [4,5,6]}, z: [7,8,9]} + # h2 = {x: {y: [7,8,9]}, z: "xyz"} + # + # h1.deep_merge(h2) #=> {:x => {:y => [7, 8, 9]}, :z => "xyz"} + # h2.deep_merge(h1) #=> {:x => {:y => [4, 5, 6]}, :z => [7, 8, 9]} def deep_merge(other_hash) dup.deep_merge!(other_hash) end - # Returns a new hash with +self+ and +other_hash+ merged recursively. - # Modifies the receiver in place. + # Same as +deep_merge+, but modifies +self+. def deep_merge!(other_hash) other_hash.each_pair do |k,v| tv = self[k] |