...idx;
		len = size;
		idx += size;
	}

	if(start < mangle.length)
		return mangle[start .. start + len];
	else...

...const int len = __traits(classInstanceSize, `~type~`);
		typeof(this).classinfo.init[off .. off + len] = `~type~`.classinfo...

...double)len));

        auto t0 = myclock();
        //test!(T, 0)(len, nloops);
        auto a2 = new T[len...

...while ((len = fread(buffer, 1, buffer.sizeof, file)) != 0)
has to be
  while ((len = fread...

...T, bool withLoop)(int len, int nloops) {
    auto a = new T[len];

    for (int i...

...you wanna tell us? That
  while (auto len = file.readBlock(buffer.ptr, buffer.sizeof))
has...

...context;
	int len;
	ubyte[4 * 1024] buffer;
	ubyte digest[16];
	
	context.start();
	while ((len = file...

...auto'
md5_example_2.d(7): found 'len' when expecting ')'
md5_example_2.d(7...

...md5, this line can be found:
while ((len = fread(buffer, 1, buffer.sizeof, file)) != 0...

while (auto len = file.readBlock(buffer.ptr, buffer.sizeof))