Core vs Library

davidl davidl at 126.com
Mon Apr 14 07:32:24 PDT 2008


Jarrett Billingsley Wrote:

> "Walter Bright" <newshound1 at digitalmars.com> wrote in message 
> news:ftv48m$21m5$1 at digitalmars.com...
> > http://reddit.com/info/6foi8/comments/
> 
> 1: Yes, in .Net languages the core types are aliases to structs in System, 
> not the other way around.
> 
> 2: The article seems self-contradictory.  First you say that an int as a 
> struct is slow, possibly ugly, can't be optimized, etc. etc.  But then you 
> turn around and say that modern compilers can make a user-defined complex 
> type efficient.  Which is it?  It doesn't feel like the article comes to any 
> kind of conclusion.  Is it that fundamental types like int and float should 
> be builtin, while anything higher-level including complex can be done 
> satisfactorily as a library? 
> 
> 
the link time code generation is powerful.  It can optimize it very well as fast as built-in. I guess it's what that article means. 



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