Re: Idempotent

Henrik Frystyk Nielsen writes:
 > 
 > > Why not use "cacheable" instead of "idempotent"?
 > 
 > No, that doesn't work - "cacheable" refers to the object, "idempotent" refers 
 > to the method. I would rather say that an idempotent method does not change 
 > the topology of the Web.
 > 

Most server side effects also do not change the topology of the web,
for instance, changes to an SQL database attached to the server, that
eventually cause pizzas to be dispatched.  But these server side effects are
largely what is at issue.