fix: allow piping symbolic attributes like _.a #325
Merged
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Addresses #324, by stripping symbolics from calls like
pipe(_.a)
. While I'm at it, I'll add a few more tests of Pipeable later today, then merge!This PR also fixes support for slicing. See #324 for full details. The crux is that symbolic handling for multiple slices was broken.
output:
It fixes by adding two classes corresponding to how the python AST represents slicing, _SliceOpIndex and _SliceOpExt, and registers them on a factory class, SliceOp. This could probably be simplified in the future..!