Hey Stuart,
On 4 May 2011 00:19, Stuart Sierra the.stuart.sie...@gmail.com wrote:
No. Clojure template (which I wrote) is a backwards way of doing macros. It
happens to be useful in clojure.test, but nowhere else.
Thanks that's good to know. While we're on the subject, I'm curious
about
apply-macro is a bad idea because it evaluates a macro at runtime. Macros
are supposed to be evaluated at compile-time, so apply-macro breaks
assumptions about how macros are supposed to work. It's basically a back
door into `eval`, which is considered bad style in Lisp-like languages.
No. Clojure template (which I wrote) is a backwards way of doing macros. It
happens to be useful in clojure.test, but nowhere else.
-Stuart S
clojure.com
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Hi Ambrose,
Thanks for the advice. I have already implemented my application using
maps (defstruct) and busy evaluating whether I should switch to
records. I like the idea of using records and protocols to help me to
define strict abstractions and to do easy type dispatch. On the other
hand I can
Hey Paul,
On 30 April 2011 20:27, Paul deGrandis paul.degran...@gmail.com wrote:
I'm not exactly sure of your specific use case, but you should take a
look at clojure.template. It could be what you're looking for.
http://clojuredocs.org/clojure_core/clojure.template
Great, I will have a
Hi Everyone,
Background to my problem:
I am developing a compojure application, and there is lots of
duplication in listing field names in my current data model:
(i) in the defstruct
(ii) in the public constructor's argument list
(iii) in the hiccup form fields
(iv) in the compojure argument
On May 2, 8:37 pm, David Jagoe davidja...@gmail.com wrote:
(i) Is it possible to generate the (defrecord Person ...) from the
person-entity hash-map that I have shown?
Sure. You may want to have a look at https://gist.github.com/876029
(and associated post to this group) for something
On Mon, May 2, 2011 at 6:37 AM, David Jagoe davidja...@gmail.com wrote:
Hi Everyone,
Background to my problem:
I am developing a compojure application, and there is lots of
duplication in listing field names in my current data model:
(i) in the defstruct
(ii) in the public constructor's
My comment is unrelated to Clojure but related to the general topic of
avoiding redundancy. Please have a look at InfoQ's Dan Haywood's
Domain-Driven Design Using Naked Objects:
http://www.infoq.com/articles/haywood-ddd-no
The book is definitely worth a read!
Naked Object's (now called Apache
Sorry, the link to their mailing list is here:
http://mail-archives.apache.org/mod_mbox/incubator-isis-dev/201104.mbox/BANLkTim+9061Se1mPLK3=wymmj0qkdu...@mail.gmail.com
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On 2 May 2011 14:06, craig worrall craig.worr...@gmail.com wrote:
On May 2, 8:37 pm, David Jagoe davidja...@gmail.com wrote:
(i) Is it possible to generate the (defrecord Person ...) from the
person-entity hash-map that I have shown?
Sure. You may want to have a look at
Hi Ken,
Shoundn't be too hard. Something like
[snip]
Thanks, looks good. I haven't had a chance to play with the code yet
but it looks like a very good start.
You probably want it to omit bmi from the argument lists and compute
it -- that will complicate things, something like:
[snip]
G'day everyone,
Are there any libraries or projects that are similar to Python Traits
or Zope Schemas (http://pypi.python.org/pypi/zope.schema) for clojure.
I am developing a compojure application and there is a lot of
duplication between areas of the codebase, e.g.
- Fields listed on the
Hi David,
I can only comment on a subset of your post.
Records can be cumbersome to work with during early stages of development,
when
everything is rather volatile (when isn't it?).
You might like to try using maps instead. They are easier to work with when
you are
working out what properties
I'm not exactly sure of your specific use case, but you should take a
look at clojure.template. It could be what you're looking for.
http://clojuredocs.org/clojure_core/clojure.template
Paul
On Apr 30, 3:39 am, Ambrose Bonnaire-Sergeant
abonnaireserge...@gmail.com wrote:
Hi David,
I can
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