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<?phpnamespace eMacros\Runtime\Arithmetic;
 
 use eMacros\Runtime\GenericFunction;
 
 class Addition extends GenericFunction {
 /**
 * Obtains the sum of all elements on a list
 * Usage: (+ 4 5 7)
 * Returns: number
 * (non-PHPdoc)
 * @see \eMacros\Runtime\GenericFunction::execute()
 */
 public function execute(array $arguments) {
 return array_sum($arguments);
 }
 }
 
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