On Tue, Jan 16, 2018 at 3:26 PM, Victor Stinner <victor.stin...@gmail.com> wrote:
> Thanks for the updated PEP v3, it's now much better than PEP v2! > > I have no more complain against your PEP. I vote +1 for PEP 567 > contextvars! > Yeah! > The only open question I personally have is whether ContextVar.reset() > > should be idempotent or not. Maybe we should be strict and raise an > > error if a user tries to reset a variable more than once with the same > > token object? > > I don't think that it's worth it to prevent misuage of reset(). IMHO > it's fine if calling reset() twice reverts the variable state twice. > Maybe the effect of calling it twice should be specified as undefined -- the implementation can try to raise in simple cases. Unless Yury has a use case for the idempotency? (But with __enter__/__exit__ as the main use case for reset() I wouldn't know what the use case for idempotency would be.) -- --Guido van Rossum (python.org/~guido)
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