function pipeline() {
		var args;
		var i;
		args = new Array( arguments.length );
		for ( i = 0; i < args.length; i++ ) {
			args[ i ] = arguments[ i ];
		}
		args = f[ 0 ].apply( null, args );
		for ( i = 1; i < nFuncs; i++ ) {
			args = f[ i ]( args );
		}
		return args;
	}
Pipeline function.

@private
@param {...*} args - arguments
@returns {*} result