http://i.imgur.com/A8Q3Ka7.jpg
| Take | A↑B | Select the first (or last) A elements of B according to ×A | Take | ↑B | Select first element |
| Drop | A↓B | Remove the first (or last) A elements of B according to ×A | Drop | ↓B | Error |
↓::eval_B() called (overloaded variant not yet implemented?)
VALENCE ERROR
↑B works, grabbing the first element.
↓B does not work. I think it should grab the last element.
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