Allow __ to stand for the argument which accepts a do block #4
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On consideration I think this is semantically inconsistent, so I don't think we should do this with |
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WIP - still needs tests + docs
It's also unclear whether this is a desired behavior.
I feel like — though this could be rather useful — it's strangely inconsistent with the meaning of
__as used in other contexts. Further discussion at https://discourse.julialang.org/t/ann-underscores-jl-placeholder-syntax-for-closures/36482