Hi all,
Do multiple protocol definitions in the same namespace have name collisions if
they share function names? E.g. something like:
(defprotocol
First
(protofun-one [arg1])
(protofun-two [arg1]))
(defprotocol
Second
(protofun-one [arg1 arg2])
(protofun-two [arg1 arg2]))
I had to rename the second declarations for the compiler to find them, even
though the type it was dispatching on was different (not to mention the arities
being different, but presumably on the type counts for dispatching).
Discovering this was followed up with one of the most infuriating bugs ever,
where I was using merge to update a record with a map in a factory function,
but after doing so the type was no longer being dispatched on properly (I was
receiving errors like "No protocol method [...] defined for type : [object
Object]. This was resolved by commenting out the merge from the factory
function, re-compiling, un-commenting the merge function, re-compiling again
and then it worked (I'd tried a lein clean previously).
Any hints on debugging this kind of stuff would be appreciated! Or does it all
flow from my having two protocols with overlapping function names defined in
the same namespace?
Thanks,
Oliver.
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