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<  Erlang  ~  Erlang best practice and patterns, etc.
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Total Votes : 10
halyph
Posted: Wed Oct 07, 2009 11:42 pm Reply with quote
Joined: 07 Oct 2009 Posts: 1 Location: Ukraine
Hi All,
There is great 'GoF' book for OOP languages.
Is there any specific book/web-resource which describe Erlang best practices, approaches, patters, etc.
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prof3ta
Posted: Thu Oct 08, 2009 9:37 am Reply with quote
User Joined: 06 Feb 2009 Posts: 34
Here's a nice discussion on design patterns applied to functional languages:

http://stackoverflow.com/questions/327955/does-functional-programming-replace-gof-design-patterns

Essentially, they claim that most of the GOF design patterns are pointless when applied to a functional language. I'm not completely agree with this. I still believe common design patterns can be identified in functional languages.

Regarding Erlang, I would say that OTP contains a good set of useful patterns. Shouldn't we consider supervisor or gen_server sort of design patterns?
Apart from that, I don't think any "GOF version for Erlang" exists yet.

I wrote my first "pattern" just yesterday. I named it "Black Box" and it's about stubbing Erlang applications during unit tests. You might want to have a look to it:
http://aloiroberto.wordpress.com/2009/10/07/erlang-quickcheck-design-patterns-black-box/
It's just an idea and comments/suggestions are obviously welcome.

It would be nice to start a section on Trapexit about all this, though.

Regards,

Roberto Aloi
http://www.erlang-consulting.com
http://aloiroberto.wordpress.com
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rvirding
Posted: Thu Oct 08, 2009 6:31 pm Reply with quote
User Joined: 30 Aug 2006 Posts: 452 Location: Stockholm, Sweden
prof3ta wrote:
Essentially, they claim that most of the GOF design patterns are pointless when applied to a functional language. I'm not completely agree with this. I still believe common design patterns can be identified in functional languages.

Yes, there are design patterns in functional languages, but they are different from the ones for OOP. This is discussed in detail in the discussion you reference. There is nothing strange about this as FP and OOP are different.
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