[Haskell-cafe] Arrows: definition of pure & arr

[Henning Thielemann]

On Tue, 19 Feb 2008, Peter Verswyvelen wrote:

> But when I show typical Haskell code to object-oriented friends of mine,
> they get scared because it looks like math, with all the symbols and
> short names.

They will feel like a C programmer looking at C++ code, wondering how the
heck an output stream can be left shifted by a number using << .  :-)