[your code here]

[bearophile]

Roumen Roupski:

> private bool equals(in string f1, in string f2)
> {
> 	if (getSize(f1) != getSize(f2))
> 		return false;	// different file sizes
>
> 	if (getSize(f1) == 0)
> 		return true;	// zero-length files are equal

Making equals() private is not useful, but maybe it's possible to 
make equals() nothrow.


> 	
> 	MmFile m1, m2;
> 	try
> 	{
> 		m1 = new MmFile(f1);
> 		m2 = new MmFile(f2);
> 		return m1[] == m2[];
> 	}

I have tried your little program on two files about 500 MBytes 
long, and the memory usage is strange. Is it doing the right 
thing?

Bye,
bearophile