Class: Hash

Inherits:
Object show all
Defined in:
lib/ruby_ext/core/hash.rb,
lib/ruby_ext/core/open_object.rb

Direct Known Subclasses

OpenObject

Instance Method Summary collapse

Instance Method Details

#==(other) ⇒ Object 



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# File 'lib/ruby_ext/core/open_object.rb', line 161

def == other
  true if self.equal? other
  other == self if other.is_a? OpenObject
  oo_eql other
end

#oo_eql ⇒ Object 



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# File 'lib/ruby_ext/core/open_object.rb', line 160

alias_method :oo_eql, :==

#subset(*keys, &block) ⇒ Object 



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# File 'lib/ruby_ext/core/hash.rb', line 2

def subset *keys, &block
  keys = keys.first if keys.first.is_a? Array
  h = {}    
  if keys
    self.each do |k, v|
      h[k] = v if keys.include? k
    end
  else
    self.each do |k, v|
      h[k] = v if block.call k
    end
  end
  h
end

#to_openobject(deep = false) ⇒ Object Also known as: to_oo 



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# File 'lib/ruby_ext/core/open_object.rb', line 155

def to_openobject deep = false
  OpenObject.initialize_from self, deep
end

#validate_options!(*valid_options) ⇒ Object 



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# File 'lib/ruby_ext/core/hash.rb', line 17

def validate_options! *valid_options
  unknown_options = keys - valid_options
  raise "unknown options :#{unknown_options.join(': ')}!" unless unknown_options.empty?
end