addFunction() public method

Adds a function
public addFunction ( string $name, mixed $function ) : SassFunctionDefinitionNode
$name string name of function
$function mixed
return SassFunctionDefinitionNode the function
 /**
  * Parse this node.
  * Add this function to  the current context.
  * @param SassContext $context the context in which this node is parsed
  * @return array the parsed node - an empty array
  */
 public function parse($context)
 {
     $context->addFunction($this->name, $this);
     return array();
 }