On 5/10/15 6:52 AM, isabella parakiss wrote: > Maybe check if the callback is a function?
The callback doesn't have to be a function. Some things might be easier
if it is, but there's no requirement.
--
``The lyf so short, the craft so long to lerne.'' - Chaucer
``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, ITS, CWRU c...@case.edu http://cnswww.cns.cwru.edu/~chet/
