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On Thu, Jul 30, 2020 at 5:28 PM Javier Sanchez
<javiersanchezbarquero@xxxxxxxxx> wrote:
Because in RPG, you may use the *+=* operator to shorten the expression
like:
SEQN = SEQN + 1 ;
into
SEQN +=1;
In "C" this would be
SEQN++;
In C, you can use += as well. It means essentially the same thing as
it does in RPG. Actually, you could reasonably argue that RPG got it
from C.
The big difference in C is that most statements, including assignment,
are also expressions; whereas in RPG, there is a sharper distinction
between statements and expressions, and assignment can only be part of
a statement, not an expression.
Further reading on the difference between statements and expressions:
https://stackoverflow.com/questions/19132/expression-versus-statement
John Y.
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