[Haskell-cafe] Re: Top Level <-

Brandon S. Allbery KF8NH allbery at ece.cmu.edu
Sat Sep 6 11:25:23 EDT 2008

On 2008 Sep 6, at 11:22, Ganesh Sittampalam wrote:
> On Sat, 6 Sep 2008, Brandon S. Allbery KF8NH wrote:
>> On 2008 Sep 6, at 6:10, Ashley Yakeley wrote:
>>> The set of ACIO expressions exp is the "static initialisers" of M.  
>>> The RTS must note when each static initialiser is run, and cache  
>>> its result val. Let's call this cache of vals the "static results  
>>> cache" of M.
>>> When M is loaded, and a static results cache for M already exists,  
>>> then it will be used for the vals of M.
>> This sounds "reachable" to me, and therefore static overhead and  
>> not a leak.
> You can call it what you like, but it's still unacceptable  
> behaviour, particularly since clients of M will have no way of  
> telling from its API that it will happen.

You want run-once behavior without giving the runtime the ability to  
tell that it's already been run?

brandon s. allbery [solaris,freebsd,perl,pugs,haskell] allbery at kf8nh.com
system administrator [openafs,heimdal,too many hats] allbery at ece.cmu.edu
electrical and computer engineering, carnegie mellon university    KF8NH

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