[erlang-questions] serializing functions
Sun Nov 16 23:10:54 CET 2008
On Monday, November 17, damien morton wrote:
> If I take the most basic of functions, e.g. fun()->0 end. and serialize it
> using term_to_binary(), it seems that this function is serialized to 650
I'd guess you concluded that after trying it in the shell, not a
module. IIRC, funs made in the shell are special, they carry around
a complete (?) representation of the fun.
> I guess I was wondering if its better to send a Mod:Fun pair from one node
> to another, or to send an actual function() object.
In general, sending the module and the function name is not equivalent
to sending a fun.
> Now, I am still not sure if a function() can be sent over the wire,
> but a Mod:Fun pair sure is a whole lot more compact.
> What are the normal best practices when handling functions that might be
> send over the wire? Prefer Mod:Fun over function()?
The gotchas I can think of are related to code loading.
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