Module for manual memory management

[Foo via Digitalmars-d]

On Wednesday, 4 February 2015 at 20:15:37 UTC, Andrei 
Alexandrescu wrote:
> On 2/4/15 9:13 AM, Foo wrote:
>> For what it's worth, today I finished the current work. Now we 
>> will
>> start working with it. If someone has critique, improvement 
>> suggestions
>> or want to take some ideas, he is free to do so.
>> To repeat myself: we rewrote some functionality which already 
>> existed in
>> D, but were improvable. For example the existing emplace 
>> method is quite
>> long, hard to understand / read and is not marked with @nogc. 
>> Since we
>> want to avoid the GC wherever possible we had to rewrite it. I 
>> hope it's
>> useful for someone else and that some of you guys take some 
>> ideas from it.
>>
>> https://github.com/Dgame/m3
>
> Opened File.d at random:
>
> @trusted
> @nogc
> char[] read(const string filename) nothrow {
>     import std.c.stdio : FILE, SEEK_END, SEEK_SET, fopen, 
> fclose, fseek, ftell, fread;
>
>     FILE* f = fopen(filename.ptr, READ_BINARY);
>     scope(exit) fclose(f);
>
>     fseek(f, 0, SEEK_END);
>     immutable size_t fsize = ftell(f);
>     fseek(f, 0, SEEK_SET);
>
>     char[] str = m3.m3.make!(char[])(fsize);
>     fread(str.ptr, fsize, 1, f);
>
>     return str;
> }
>
> Then stopped right there. This is nowhere near production 
> quality - there is no error checking whatsoever, does more 
> operations than necessary, won't work on special files etc. 
> etc. etc.
>
> I applaud the intention but there is a lot more work to be done 
> on this before it's in reviewable form.
>
>
> Andrei

Yes that is correct, currently there is no error checking, maybe 
it get that later. But what do you mean with "it use more 
operations than necessary"? I can't see it. But both points are 
helpful critique. Thanks a lot! :)

As I said above, it's currently only for our work. But I 
presented it here, so that some guys can get some inspiration or 
can reuse our code. :)
Maybe, but really only maybe, I will get some work done, so that 
it's is ready for phobos. But since such a review can take years, 
I see no use to do that work. But if someone else has the will to 
do that, reuse our code!