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Lazy S (∾)
∾ 𝕩: Join
Join all elements of 𝕩 together.
Element ranks must be compatible.
∾ ⟨1‿2, 3, 4‿5⟩
m ← (3‿1≍⌜4‿2‿5) ⥊¨ 2‿3⥊↕6
∾ m
𝕨 ∾ 𝕩: Join To
Join 𝕨 to 𝕩 along the first axis.
"abcd" ∾ "EFG"
a ← 3‿3 ⥊ ↕9
c ← 4‿3 ⥊ ↕12
a∾c