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Feel free to close this PR and just use it as something to refer to later on.
Using the new
vec_group_id()
withvec_unique_loc()
we can get some nice performance improvements over the currentpivot_wider()
implementation.Using #775 as an example
This is on current dev tidyr with current dev vctrs. It is already slightly faster than what is in the provided example. Maybe we made some vctrs improvements, not sure.
Now with this PR