It is often nice to be able to give names to certain constants.
For instance, as we saw earlier, the truth value
TRUE actually represents the value -1, and
FALSE represents zero (see 3.2.2 Logic and comparison).
These are our first examples of named constants.
To define your own you use the
CONST keyword as follows:
CONST ONE=1, LINEFEED=10, BIG_NUM=999999
This has defined the constant
ONE to represent one,
LINEFEED ten and
You can use previously defined constants to give the value of a new constant, but in this case the definitions must occur on different
CONST ZERO=0 CONST ONE=ZERO+1 CONST TWO=ONE+1
The expression used to define the value of a constant can use only simple operators (no function calls) and constants.
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