why D matters for Bioinformatics

[Christophe Travert]

"bearophile" , dans le message (digitalmars.D:168160), a écrit :
> deadalnix:
>>>> http://blog.thebird.nl/?p=93
>>>...
>> I spreaded the word. This article is great and I 100% agree 
>> with it :D
> 
> The article says:
> 
>>There are a few things I miss in D. For example pattern 
>>recognition on unpacking data, which is great in Haskell, 
>>Erlang, and Scala (see example 
>>[http://www.scala-lang.org/node/120 ]).<
> 
> The author of that article has missed that D lacks something much 
> simpler than pattern matching, and even more commonly useful. 
> Currently in D you have to write something like:
> 
> int[2][] directions = [[-1, 0], [1, 0], [0, -1], [0, 1]];
> foreach (sx_sy; directions) {
>      immutable sx = sx_sy[0];
>      immutable sy = sx_sy[1];
>      // code that uses sx and sy
> 
> 
> While a less clunky language allows you to unpack them better, 
> something like:
> 
> auto directions = [tuple(-1, 0), tuple(1, 0), tuple(0, -1), 
> tuple(0, 1)];
> foreach (immutable (sx, sy); directions) {
>      // code that uses sx and sy
> 
> 
> If you use tuples, you want to unpack them often, it's a basic 
> operation on tuples.

This little example raises a question if tuples becomes part of the 
langage. Should static array have tuple capabilities ?

Besides that, it is easy to emulate your example with a little 
library solution. Maybe something like that should be added to 
std.range.

-- 
Christophe