Re: What does auto std.stdio.File.ByChunkImpl byChunk (ulong chunkSize ); mean?

[Alex via Digitalmars-d-learn]

On Friday, 3 August 2018 at 16:58:26 UTC, kdevel wrote:
What does
  auto std.stdio.File.ByChunkImpl byChunk (
     ulong chunkSize
  );

on https://dlang.org/library/std/stdio/file.by_chunk.html mean? 
Is that
a (forward) declaration of a function named byChunk taking a 
single
ulong argument name chunkSize. But what does that function 
return?

The help page you cited says:
"Returns an input range set up to read from the file handle a 
chunk at a time."