[erlang-questions] custom generators?

[Fred Hebert]

On 06/29, Karlo Kuna wrote:
>i was wandering is there protocol or "interface" for making custom
>generators in erlang? here i asume generator can be used in list
>comprehensions
>
>something similar to I/O protocol

List comprehensions operate only on lists and binaries (using the 
'<<BytePattern>> <= Bin' generator instead of `Pattern <- List').  The 
closest thing you could get is likely QLC: 
http://erlang.org/doc/man/qlc.html