Module: KeyDial::Coercion::Hashes::ClassMethods

Defined in:
lib/key_dial/coercion.rb

Instance Method Summary collapse

Instance Method Details

#from(obj) ⇒ Object

Allows you to do Hash.from(obj) to create a Hash from any object intelligently.



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# File 'lib/key_dial/coercion.rb', line 38

def from(obj)
	case obj
	when Hash
		return obj
	when Array
		# Hash from Array. Forgiving and avoids errors. ['a', 'b', 'c'] will become {0 => 'a', 1 => 'b', 2 => 'c'}
		obj.each_with_index.map { |k, i|
			if k.is_a?(Array)
				if k.empty?
					[i, nil]
				elsif k.size == 2
					k # k in this case is a keyval pair, e.g. [k, v]
				else
					[i, k]
				end
			else
				[i, k]
			end
		}.to_h
	when Struct
		# Hash from Struct
		return obj.to_h
	else
		{0 => obj}
	end
end