Of what use is 'lambda'???

[Jonadab the Unsightly One]

Erik Max Francis <max at alcyone.com> wrote:

> > I have a question.  What is the difference between functional
> > programming and procedural programming?  I know I should know
> > this, but...
> 
> To start with, in functional programming everything returns a value.

That's true in C and Inform, but I think both are traditionally
regarded as procedural.  Is the difference that the returned 
value is always significant?  Or is there more?

- jonadab