RE: Re[2]: [Haskell-cafe] using of data types as kinds

2005-11-23 Thread Simon Peyton-Jones
Sorry should be fixed now (or shortly when the mirror does its stuff)

Simon

| -Original Message-
| From: Bulat Ziganshin [mailto:[EMAIL PROTECTED]
| Sent: 22 November 2005 19:28
| To: Simon Peyton-Jones
| Cc: haskell-cafe@haskell.org
| Subject: Re[2]: [Haskell-cafe] using of data types as kinds
| 
| Hello Simon,
| 
| Tuesday, November 22, 2005, 8:17:38 PM, you wrote:
| 
| SPJ I have not written anything about what I plan to do in GHC, but
| SPJ basically it amounts to allowing you to use a data type as a
| SPJ kind.  Busy doing GADTs and impredicativity at the moment though
| 
| Simon, i can't download file
| 
| http://research.microsoft.com/~simonpj/papers/boxy/boxy-pldi.ps.gz
| 
| reffered at http://research.microsoft.com/~simonpj/papers/boxy/
| 
| 
| --
| Best regards,
|  Bulatmailto:[EMAIL PROTECTED]
| 
| 

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Re[2]: [Haskell-cafe] using of data types as kinds

2005-11-22 Thread Bulat Ziganshin
Hello Greg,

Tuesday, November 22, 2005, 8:24:41 PM, you wrote:
 Busy doing GADTs and impredicativity at the moment though
 

GW Impredicativity?

just in the case you don't have time to read HCAR ;) some excerpt from
there:


2.1  The Glasgow Haskell Compiler



There is lots more in the works:

We are planning to use darcs (6.6) instead of CVS for GHC. 

On the type system front, we hope to extend GHC’s higher-rank type
system to incorporate impredicative types:
http://research.microsoft.com/~simonpj/papers/boxy/, 

fix the GADT implementation to work nicely with type classes, 

Allow you to use data types as kinds, in a manner similar to Tim
Sheard’s Omega language. 

We are planning to release GHC 6.6 some time in the next six months.
This will include the parallel version of GHC. 


-- 
Best regards,
 Bulatmailto:[EMAIL PROTECTED]



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Re[2]: [Haskell-cafe] using of data types as kinds

2005-11-22 Thread Bulat Ziganshin
Hello Simon,

Tuesday, November 22, 2005, 8:17:38 PM, you wrote:

SPJ I have not written anything about what I plan to do in GHC, but
SPJ basically it amounts to allowing you to use a data type as a
SPJ kind.  Busy doing GADTs and impredicativity at the moment though

Simon, i can't download file

http://research.microsoft.com/~simonpj/papers/boxy/boxy-pldi.ps.gz

reffered at http://research.microsoft.com/~simonpj/papers/boxy/


-- 
Best regards,
 Bulatmailto:[EMAIL PROTECTED]



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