Servicedock: Webgui for Docker Swarm. Manage Docker Swarm a a Service.
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var utils = require('../utils');
/**
* Perform `op` on the `left` and `right` operands.
*
* @param {String} op
* @param {Node} left
* @param {Node} right
* @return {Node}
* @api public
*/
module.exports = function operate(op, left, right){
utils.assertType(op, 'string', 'op');
utils.assertPresent(left, 'left');
utils.assertPresent(right, 'right');
return left.operate(op.val, right);
};