docs: function fn (deps, func, context) {
  		if( isString(deps) ) {
  			if( func === undefined ) {
  				return definitions[deps];
  			} else {
  				return fn.define(deps, func, context);
  			}
  		} else {
  			fn.run(deps, func, context);
  		}
  		return fn;
  	}