Re: using D without GC

[Alex Parrill via Digitalmars-d-learn]

On Sunday, 7 June 2015 at 16:25:29 UTC, Oleg B wrote:

auto myalloc(T)( size_t count )
{
    struct Impl{ size_t len; void* ptr; }
    union Wrap { Impl impl; T[] arr; }
    auto ret = Wrap( Impl( count, calloc( count, T.sizeof ) ) 
).arr;
    enforce( ret.ptr !is null );
    return ret;
}


Note that you can slice non-gc memory. `Impl` is basically what a 
slice is internally.

    auto ret = calloc(count, T.sizeof)[0..(count*T.sizeof)]