module Hashie::Extensions::DeepMerge

Public Instance Methods

deep_merge(other_hash) click to toggle source

Returns a new hash with self and other_hash merged recursively.

# File lib/hashie/extensions/deep_merge.rb, line 5
def deep_merge(other_hash)
  dup.deep_merge!(other_hash)
end
deep_merge!(other_hash) click to toggle source

Returns a new hash with self and other_hash merged recursively. Modifies the receiver in place.

# File lib/hashie/extensions/deep_merge.rb, line 11
def deep_merge!(other_hash)
  _recursive_merge(self, other_hash)
  self
end

Private Instance Methods

_recursive_merge(hash, other_hash) click to toggle source
# File lib/hashie/extensions/deep_merge.rb, line 18
def _recursive_merge(hash, other_hash)
  if other_hash.is_a?(::Hash) && hash.is_a?(::Hash)
    other_hash.each do |k, v|
      hash[k] = hash.key?(k) ? _recursive_merge(hash[k], v) : v
    end
    hash
  else
    other_hash
  end
end