6.6.6 `size'
------------

size(VECT|MAT)
     :: `[VECT $B$ND9$5(B]' $B$^$?$O(B `[MAT $B$N9T?t(B,MAT $B$NNs?t(B]'.

RETURN
     $B%j%9%H(B

VECT
     $B%Y%/%H%k(B

MAT
     $B9TNs(B

   * VECT $B$ND9$5(B, $B$^$?$O(B MAT $B$NBg$-$5$r%j%9%H$G=PNO$9$k(B.

   * VECT $B$ND9$5$O(B `length()' $B$G5a$a$k$3$H$b$G$-$k(B.

   * LIST $B$ND9$5$O(B `length()'$B$r(B, $BM-M}<0$K8=$l$kC19`<0$N?t$O(B `nmono()'
     $B$rMQ$$$k(B.

     [0] A = newvect(4);
     [ 0 0 0 0 ]
     [1] size(A);
     [4]
     [2] length(A);
     4
     [3] B = newmat(2,3,[[1,2,3],[4,5,6]]);
     [ 1 2 3 ]
     [ 4 5 6 ]
     [4] size(B);
     [2,3]

$B;2>H(B
     *Note `car cdr cons append reverse length': car cdr cons append
     reverse length, *Note `nmono': nmono.

