Re: Booelan Function and sizeof operator

[wheeler@aphrodite.csed.ida.org (David Wheeler)]

EMANUELE COSTA (costa@UNIX.LANCS.AC.UK) wrote:
: Hi everybody,
:         I would like to know, if I can find something similar to the C
: sizeof operator and  boolean functions on integer  in Ada. If
: this is not the case how could I write something equal in Ada?


sizeof(int)  ===>   Integer'Size

I'm not sure what you mean by "boolean functions on integer".
If you want to _convert_ a Boolean to Integer, you can use 'Pos:

bool x;                   ==> X : Boolean;
printf("%d", (int) x);        Put(X'Pos);

If you mean "and", "or", etc., you can define a packed array of Booleans
and perform operations on the array.  In Ada 95, you can also use
modular types for "and", "or", etc.


--- David A. Wheeler
Net address: wheeler@ida.org