record field names
Fri Sep 16 16:21:41 CEST 2005
feels like this is an faq, but i can't find it in the archive.
according to the reference manual:
"To each module using records, a pseudo function is added during compilation
to obtain information about records:
record_info(fields, Record) -> [Field]
record_info(size, Record) -> Size"
now, as i understand it, there is no function, just textual substitution
(like a macro).
but why not? if there was a real, exported function record_info/2 (just like
module_info), one could do a lot of cool things.
such as turning a record into a tagged tuple;
or write a tool to check that all modules using a certain record agree on its
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