Re: Functions in the relational context

Tegiri Nenashi wrote:

> * being passable as a parameter to a procedure/function
>
>OK, function callbacks. In my last 2 years of Java programming I used
>abstract class with an abstract method once. Contrast this to bread-
>and-butter loops, conditionals and assignment.
>
>So this is rather rare feature.

For you, perhaps. Many others would consider callbacks to be among the defining characteristics of OO programming. I think it's safe to say that OO programming was primarily motivated by the idea of using callbacks to define an application's response to user interaction. (What Microsoft called "visual programming". It is also called "event-based programming" sometimes.)

-- 
Reinier