Element - ¨□ - Parse direction arrow to integer
Description
Map characters in `>^
Overloads
str-map on a, replacing `>^<v` with integers, and others with -1 ([`>^<v`.find(a[0]), `>^<v`.find(a[1]), ...])
Examples
`v` ¨□=3`^<><>` ¨□=⟨1|2|0|2|0⟩⟨`^`⟩ ¨□=⟨1⟩`1V_☭` ¨□=⟨-1|-1|-1|-1⟩