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| Syntax |
while expression statement list |
| O-Matrix Mode | while |
while token begins a
block
without needing the begin keyword.
If any element of the expression following the while is
zero, the expression is considered false.
while is input at the command line,
execution will not occur until the corresponding end
is entered.
x = 0;
while x <= 0
x = x + 1;
x = x + 1;
end
x
O-Matrix will reply
2
Note that the block of statements is executed once,
and the block contains two additions.
x = [ 3 2 ];
while x
x = x - 1;
end
x
O-Matrix will reply
[ 1 0 ]