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echo: c_echo
to: John Gardeniers
from: George White
date: 1998-09-28 08:39:00
subject: Tutorial questions?

Hi John,

You wrote to Darin McBride:

JG> TT>> How did you come to the conclusion that const and static are
JG> TT>> equivalent ?

JG> DM> Simple - if you don't change a static variable, it is const!  :-)

JG>There is one really humongous difference, which most people seem to have
JG>overlooked. A const uses no memory. It's nothing more than
JG>a symbol used to make the source more readable and/or less
JG>prone to errors. OTOH, a static *does* require storage
JG>space, even if it's contents can't be altered.

?????
If "const" used no memory a lot of code would break. It is just compiler
information, like "static", and does not remove the need for memory for
the variable marked as "const".

George

 * SLMR 2.1a * Computers eliminate spare time.

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