Dear Ralf and all, 

> In particular [List and] Record provide such bracket function of type [...]
> which allows the usual list construction.
> 
> (in Record(a: Integer, b: String, c: Float))
>    bracket: (Integer, String, Float) -> %
> which allows
> 
>    Arec: Record(a:Integer, b:String, c:Float) := [123,"azerty",1.2e-3]
> 
> What else would you want?

Indeed, the bug is in my mind... Let me explain :

In my mind theses two cases aren't equivalent :

// 1 // List   is very easy. 

    I only type L := [1,2,3] without type 
 and I play with L.1, L.2...

// 2 // Record is too subtle.

    Not only because I use less Record than List 
 but because // A // I must declare this type 
         and // B // I must choose the field name. (It's too complex for me)

So semantics of Record and List seems too different, 
and my mind prefer to code without Record.

Alasdair write to axiom-mail in "a simle question" (date : 2.2.2008)

> Sorry about this; I'm a bit out of practice:
> 
> for n in 10..30 repeat output [n, factor(2^n-1)]
>
> This gives the first n in factored form which I don't want.  
> How can I obtain the first n in unfactored form?

The misunderstanding seems the same : use a list instead of record.

for n in 10..30 
  repeat output [n, factor(2^n-1)[EMAIL PROTECTED](a:Integer,b:Factored Integer)

And spad/axiom isn't so clear. 
I can't get the result I want with my old axiom !

So I wait for a automatic translation from/to record in order to simplify
the code I type. 

I have no idea if the operator [...] must be the same or different.

Have a nice day !

Francois 

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