class Hash

# File lib/trimmer/core.rb, line 19
def deep_merge(other_hash)
  dup.deep_merge!(other_hash)
end

# File lib/trimmer/core.rb, line 11
def deep_merge!(other_hash)
  other_hash.each_pair do |k,v|
    tv = self[k]
    self[k] = tv.is_a?(Hash) && v.is_a?(Hash) ? tv.deep_merge(v) : v
  end
  self
end

# File lib/trimmer/core.rb, line 3
def reverse_merge(other_hash)
  other_hash.merge(self)
end

# File lib/trimmer/core.rb, line 7
def reverse_merge!(other_hash)
  merge!( other_hash ){|k,o,n| o }
end