Language basics / Expressions |
A date expression evaluates to a DATE data type value.
MAIN DEFINE r, c DATE LET c = TODAY + 4 LET r = ( c - 2 ) END MAIN
The operands of a date expression can be one of:
If a date expression includes an operand whose value is not a date data type, the runtime system attempts to convert the value to a date value according to the data conversion rules.
If an element of an date expression is NULL, the expression is evaluated to NULL.