FIT   100
© Copyright University of Washington 1999-2000
Incompatibility of Names
vA problem with names …
vProcedure Assumes     Quantity      GUI Assumes
oheightIN          height        BMIheight
oweightLBS          weight        BMIweight
obodyMass          bmi        BMIndex
vThough in this case better communication might have saved this case, the need to associate different names is fundamental – it is essential in making procedures reusable.
The procedure context must use a specific set of names for inputs and outputs, while the calling context will use other names for these quantities ...  Parameters associate the names in each context