Re: [Haskell-beginners] Haskell as a useful practical 'tool' for intelligent non-programmers

29 Apr 2012


      On Sun, Apr 29, 2012 at 03:32:48AM -0400, Michael Orlitzky wrote:
...
On 04/29/2012 02:35 AM, Mike Meyer wrote:
...
On Sun, 29 Apr 2012 01:20:22 -0400
Michael Orlitzky  wrote:
...
They're wrapped in Proc objects, but those objects can be treated like
any other in the language. Everything else is just syntactic sugar on
top of Procs.
That makes *Procs* first class object, not functions.
What's the difference? You're not passing around the actual function, in
any language.
$ python
Python 2.7.3 (default, Apr 14 2012, 23:17:33) 
[GCC 4.7.0 20120407 (prerelease)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
...
...
...
def f():
...     print 'foo'
... 
def g(f):
...     print 'bar'
...     f()
... 
g(f)
bar
foo
Also: http://en.wikipedia.org/wiki/First-class_function#Language_support

L.


-- 
Lorenzo Bolla
http://lbolla.info