D language as script through JVM
Paulo Pinto
pjmlp at progtools.org
Sun Aug 19 13:20:47 PDT 2012
On Sunday, 19 August 2012 at 17:58:03 UTC, Thiez wrote:
> On Sunday, 19 August 2012 at 09:28:49 UTC, Paulo Pinto wrote:
>> Oh, and forgot to mention that structs wouldn't be allocated
>> in stack anyway, even with a JVM's implementation for safe D,
>> thus breaking language's semantics.
>
> The reference page on structs http://dlang.org/struct.html does
> not appear to contain the word 'stack' at all. It seems to me
> placing structs on the stack would only be important when
> interfacing with C, but I don't think it would matter
> otherwise; as long as the destructor is called when the struct
> goes out of scope, why should the memory location make any
> difference?
>
> Language semantics should stick to defining what should happen,
> not how it should happen.
It is described in the TDPL book.
It is important because it influences the amount of memory a
program may use, and hence invalidate the usability of an
algorithm that depend on how the memory is used. Memory location
has as side effects cache location, and access time.
--
Paulo
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