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Aaron Bartell wrote:
If you look at it, the code
custIsVld = (custNbr > 0);
is basically an IF statement with the
result being passed to a variable vs. being evaluated by the IF construct.
Is that a correct way to view it?
I think it's more general than that. It's just an extension of
assigning the result of an expression to a variable, as in
sum = a + b;
'a + b' is an expression, just as 'custNbr > 0' is an expression. In
some languages you can even do
grandTotal += (subtotal = price * quantity);
to add the calculate the subtotal, then add it to the grand total.
Whether you should is, of course, debatable.
For this to work in RPG, there would need to be some way to tell the
compiler whether that '=' was meant as an equality operator or an
assignment operator. As far as I know, there isn't a way to do multiple
assignments in one EVAL statement.
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