Fix: propagate errors in CIDSet.for_each()#81
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Closes #69
Description
This PR updates
CIDSet.for_each()so that it stops iteration and returns the first error from the callback, effectively matching the behavior of Go'sSet.ForEach().Previously,
for_eachignored return values and would continue iterating even if the function had an error.Changes
CIDSet.for_each(func)to catch any exception raised byfuncand return it.funcitself returns anExceptionobject,for_eachwill stop iteration and return it.CIDSet.for_each()stops and propagates errors properly.