Class: Hash

Inherits:
Object
  • Object
show all
Includes:
TSort
Defined in:
lib/yuyi/core.rb

Instance Method Summary collapse

Instance Method Details

#deep_stringify_keys! ⇒ Object 



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# File 'lib/yuyi/core.rb', line 32

def deep_stringify_keys!
  deep_transform_keys!{ |key| key.to_s rescue key }
end

#deep_symbolize_keys! ⇒ Object

github.com/rails/rails/blob/c48a0cac626b4e32d7abfa9f4f1fae16568157d9/activesupport/lib/active_support/core_ext/hash/keys.rb

Destructively convert all keys to symbols, as long as they respond to to_sym. This includes the keys from the root hash and from all nested hashes.

DEPRECATION required for: ruby 1.8.7 can be replaced with activesupport ~4.0



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# File 'lib/yuyi/core.rb', line 28

def deep_symbolize_keys!
  deep_transform_keys!{ |key| key.to_sym rescue key }
end

#deep_transform_keys!(&block) ⇒ Object

Destructively convert all keys by using the block operation. This includes the keys from the root hash and from all nested hashes.



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# File 'lib/yuyi/core.rb', line 40

def deep_transform_keys! &block
  keys.each do |key|
    value = delete(key)

    self[yield(key)] = case value
    when Hash
      value.deep_transform_keys!(&block)
    when Array
      value.each{ |e| e.deep_transform_keys!(&block) rescue value }
    else
      value
    end
  end
  self
end

#tsort_each_child(node, &block) ⇒ Object 



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# File 'lib/yuyi/core.rb', line 14

def tsort_each_child(node, &block)
  fetch(node).each(&block)
end