Methods
D
E
S
Constants
MERGER = proc do |key, v1, v2| Hash === v1 && Hash === v2 ? v1.merge(v2, &MERGER) : v2 end
 

deep_merge_hash! by Stefan Rusterholz, see www.ruby-forum.com/topic/142809

Instance Public methods
deep_merge!(data)

Source: show | on GitHub 

# File activesupport/lib/active_support/vendor/i18n-0.4.1/i18n/core_ext/hash.rb, line 25
def deep_merge!(data)
  merge!(data, &MERGER)
end
deep_symbolize_keys()

Source: show | on GitHub 

# File activesupport/lib/active_support/vendor/i18n-0.4.1/i18n/core_ext/hash.rb, line 12
def deep_symbolize_keys
  inject({}) { |result, (key, value)|
    value = value.deep_symbolize_keys if value.is_a?(Hash)
    result[(key.to_sym rescue key) || key] = value
    result
  }
end
except(*less_keys)

Source: show | on GitHub 

# File activesupport/lib/active_support/vendor/i18n-0.4.1/i18n/core_ext/hash.rb, line 8
def except(*less_keys)
  slice(*keys - less_keys)
end
slice(*keep_keys)

Source: show | on GitHub 

# File activesupport/lib/active_support/vendor/i18n-0.4.1/i18n/core_ext/hash.rb, line 2
def slice(*keep_keys)
  h = {}
  keep_keys.each { |key| h[key] = fetch(key) }
  h
end