Module: Trivet::Querier

Included in:
Document, Node
Defined in:
lib/trivet.rb

Overview

This module provides the query_first() method for Trivet::Node and Trivet::Document.

Instance Method Summary collapse

Instance Method Details

#query_first(qobj, opts = {}) ⇒ Object

Works like query(), but only returns/yields the first find.



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# File 'lib/trivet.rb', line 46

def query_first(qobj, opts={})
	# run a query
	query(qobj, opts) do |node|
		# yield
		if block_given?
			yield node
		end
		
		# return
		return node
	end
	
	# didn't find any such node
	return nil
end