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[Axiom-math] Re: [fricas-devel] Re: [open-axiom-devel] [fricas-devel] Re
From: |
Gabriel Dos Reis |
Subject: |
[Axiom-math] Re: [fricas-devel] Re: [open-axiom-devel] [fricas-devel] Re: [fricas-devel] Re: iterators and cartesian product. |
Date: |
Wed, 31 Oct 2007 20:11:18 -0500 (CDT) |
On Wed, 31 Oct 2007, Bill Page wrote:
|
| On 10/31/07, Gabriel Dos Reis wrote:
| >
| > On Wed, 31 Oct 2007, Bill Page wrote:
| >
| > | I think the lack of mutability in functional
| > | languages like Haskell is one of the harder things to get used
| > | to but at the same time one of it's greatest strengths.
| >
| > Haskell has imperative skin -- check out `monad'.
| >
|
| Yes, I think that is a very good point and it does soften my point
| above a little. "lack of mutability" is misleading. Mutable structures
| can be modeled in Haskell as a derived concept. For example:
|
| http://en.wikipedia.org/wiki/Monads_in_functional_programming
|
| (See especially references at the end of the article.)
|
| Using a purely functional language does not mean that imperative-style
| programming is impossible in that language.
Note however that some functional programming evangelists consider the
'monad' solution to the state problem as a `grotesques hack': If you
use a state in your function, all the callers will be infected.
| It might even be
| interesting to consider implementing something akin to monads in
| Aldor/SPAD,
There already existe a domain called Monad in the Axiom family -- it
is a well mathematically defined notion.
I do not however see myself implement the Haskell solution for Axiom.
I would prefer a more powerful effect system for OpenAxiom.
| but I think you will agree that fundamentally these
| languages were not designed to be purely functional.
I do not see `purely functional' as as necessity.
-- Gaby
- [Axiom-math] Re: [fricas-devel] Re: [open-axiom-devel] [fricas-devel] Re: iterators and cartesian product., (continued)
- [Axiom-math] Re: [fricas-devel] Re: [open-axiom-devel] [fricas-devel] Re: iterators and cartesian product., Gabriel Dos Reis, 2007/10/22
- [Axiom-math] Re: [fricas-devel] Re: [open-axiom-devel] [fricas-devel] Re: iterators and cartesian product., Bill Page, 2007/10/22
- [Axiom-math] Re: [fricas-devel] Re: [open-axiom-devel] [fricas-devel] Re: iterators and cartesian product., Gabriel Dos Reis, 2007/10/22
- [Axiom-math] Re: [open-axiom-devel] [fricas-devel] Re: [fricas-devel] Re: iterators and cartesian product., Bill Page, 2007/10/22
- [Axiom-math] Re: [open-axiom-devel] [fricas-devel] Re: [fricas-devel] Re: iterators and cartesian product., Gabriel Dos Reis, 2007/10/22
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- [Axiom-math] Re: [open-axiom-devel] [fricas-devel] Re: [fricas-devel] Re: iterators and cartesian product., Bill Page, 2007/10/31
- [Axiom-math] Re: [open-axiom-devel] [fricas-devel] Re: [fricas-devel] Re: iterators and cartesian product., Ralf Hemmecke, 2007/10/31
- [Axiom-math] Re: [open-axiom-devel] [fricas-devel] Re: [fricas-devel] Re: iterators and cartesian product., Bill Page, 2007/10/31
- [Axiom-math] Re: [fricas-devel] Re: [open-axiom-devel] [fricas-devel] Re: [fricas-devel] Re: iterators and cartesian product., Gabriel Dos Reis, 2007/10/31
- [Axiom-math] Re: [fricas-devel] Re: [open-axiom-devel] [fricas-devel] Re: [fricas-devel] Re: iterators and cartesian product., Bill Page, 2007/10/31
- [Axiom-math] Re: [fricas-devel] Re: [open-axiom-devel] [fricas-devel] Re: [fricas-devel] Re: iterators and cartesian product.,
Gabriel Dos Reis <=
- [Axiom-math] Re: [fricas-devel] Re: [open-axiom-devel] [fricas-devel] Re: [fricas-devel] Re: iterators and cartesian product., Bill Page, 2007/10/31
- [Axiom-math] Re: [fricas-devel] Re: [open-axiom-devel] [fricas-devel] Re: [fricas-devel] Re: iterators and cartesian product., Gabriel Dos Reis, 2007/10/31
- [Axiom-math] Re: [fricas-devel] Re: [open-axiom-devel] [fricas-devel] Re: [fricas-devel] Re: iterators and cartesian product., Bill Page, 2007/10/31
- [Axiom-math] Re: [fricas-devel] Re: [open-axiom-devel] [fricas-devel] Re: [fricas-devel] Re: iterators and cartesian product., Gabriel Dos Reis, 2007/10/31
- [Axiom-math] Re: [fricas-devel] Re: [open-axiom-devel] [fricas-devel] Re: [fricas-devel] Re: iterators and cartesian product., Bill Page, 2007/10/31
- [Axiom-math] Re: [fricas-devel] Re: [open-axiom-devel] [fricas-devel] Re: [fricas-devel] Re: iterators and cartesian product., Gabriel Dos Reis, 2007/10/31
- [Axiom-math] Re: [open-axiom-devel] [fricas-devel] Re: [fricas-devel] Re: iterators and cartesian product., Ralf Hemmecke, 2007/10/31
- [Axiom-math] Re: [open-axiom-devel] [fricas-devel] Re: [fricas-devel] Re: iterators and cartesian product., Bill Page, 2007/10/31
- [Axiom-math] Re: [open-axiom-devel] [fricas-devel] Re: [fricas-devel] Re: iterators and cartesian product., Francois Maltey, 2007/10/31
- [Axiom-math] Re: [open-axiom-devel] [fricas-devel] Re: [fricas-devel] Re: iterators and cartesian product., Bill Page, 2007/10/31