[Cs3] why pop() and similar functions do not return a value

[Mikhail Nesterenko]

It has to do with exception safety. 

Here http://www.gotw.ca/gotw/008.htm
and here
http://ptgmedia.pearsoncmg.com/images/020163371x/supplements/Exception_Handling_Article.html

are explanations.

thanks,
-- 
Mikhail