[Haskell-beginners] Re: Closure

In article <1B14D870-7355-4EFD-B0C6-026109AB4F87@ece.cmu.edu>, Brandon S. Allbery KF8NH wrote:

In C you have to declare it.

The word would be `define'?

In Haskell you can just do it on the fly:

...

map (add 3) [1..10]

I see. Just like we can create an integer on the fly in C, in Haskell we can create functions on the fly. I guess that's quite a difference.

or indeed

...

map (+3) [1..10]

(The above is actually a "section", a closure created from an infix function. The difference is that I can specify either side of the operator, whereas to specify arguments other than the first for a regular function I must either coerce it into infix with `` or use the "flip" function to rearrange arguments.)

And is this mere syntax sugar?