join_# swordfish.function.join_()# Merge X and Y, and assign the result to X. The resulting object has the same data type as X. 参数: X (Constant) -- A vector/tuple/matrix/table. Y (Constant) -- A scalar/vector/tuple/matrix/table. If X is a vector, Y is a scalar/vector/tuple; if X is a matrix, Y is a vector/matrix; if X is a table, Y is a vector/table.