Hi,
I just discovered Nim and already doing little toy projects with it to get used
to it. Love it.
I am playing with networking. But reading from raw sockets, I need to cast the
string to a tuple which represent the headers fields. That would enable me to
select any field of the ethernet/ip/udp frame more easily.
I have:
type
Raw_Frame = tuple
mac_dest: array[6,char]
mac_src: array[6,char]
var t : ref Raw_Frame
var data_coming_from_socket : string = "123456789123" #Imagine that the
string comes from recv
t = cast[ref Raw_Frame](addr c)
echo("hi ", t.mac_dest,t.mac_src)
Run
nim
I want t.mac_dest = ['1','2','3','4','5','6'] and t.mac_src =
['7','8','9','1','2','3'] as an array of char Then, different types will follow
but I wanted my question to remain concise.
Ultimately, I would cast the string to a tuple (I don't want objects, too much
overhead) In C, you just cast your array of uint8 to a structure pointer and
call it a day. Sure Nim does that too.
I understood that string is actually a pointer but not too sure. If you have a
better idea as to how to do it the Nim way, please help!
Thanks,
