C compatibility
grauzone
none at example.net
Wed Jul 15 01:47:31 PDT 2009
BCS wrote:
> Reply to Jacob,
>
>> I've read posts in several threads complaining about the C
>> compatibility, the latest was the % operator. Other complains are that
>> you can use the C syntax for pointers, arrays and function pointers.
>> Also the "Case range statement" thread that complained (among other
>> things) about fall through in switch statements.
>>
>> Why not the drop this C compatibility in general case
>
> One thing Walter is adement about is that copy-n-paste C code must run
> correctly (i.e the same) in D or not compile. As for the C style type
> syntax, I'd be willing to see that go en-total.
But what for?
- For headers, you can't include use the C source directly, because
there are far too many preprocessor directives. Also, headers consist
mostly of declarations, and not function bodies.
- Normal code you can simply compile in C and link to D. This works
perfectly fine. There's no real reason to port it to D. And who ports
large portions of code from C to D anyway?
- There's already code, that compiles with in D1 and D2, but has
slightly different semantics. (Um, don't ask me for examples.) Why is
compatibility to C more important than compatibility within the same
language?
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