simple array of Objects that are adjacent in memory in D

// note that you probably shouldn't slice the resulting array or assign new objects to it
T[] myNewArr(T, Args...) (size_t len, Args args) {
    // get class size of class object in bytes
    size_t clSize = __traits(classInstanceSize, T);
    // allocate memory for the objects - maybe even with GC malloc
    void* tmp = malloc( clSize * len );
    if(!tmp) throw new Exception("no memory");
    T[] ret; // remember - this just contains references

    for(size_t i=0;i<len;++i) {
        size_t pos = i*clSize;
        void[] objMem = tmp[pos..pos+clSize];
        // add reference to new object to array
        ret ~= emplace!(T, Args)(objMem, args);
    }

    return ret;
}

void myDeleteArr(T)(ref T[] arr) {
    void *adr = cast(void*)arr[0];
    foreach(elem; arr)
        clear(elem);
    // core.stdc.stdlib.free(adr);
    arr=null; // so the data will be freed
}