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Barb (⥊)
⥊ 𝕩: Deshape
Put all elements of 𝕩 in a rank 1 array, promoting to an array if necessary.
⥊ 1
⥊ 1‿2 ≍ 3‿4
𝕨 ⥊ 𝕩: Reshape
Put all elements of 𝕩 in an array of shape 𝕨, removing elements or repeating them cyclically if necessary.
A single element in 𝕨 can be a function, which will be replaced with an appropriate length:
- ∘ Exact fit
- ⌊ Round length down, discarding elements
- ⌽ Round length up
- ↑ Round length up, and use element fill to add extra elements.
3‿3 ⥊ 3
2‿⌽‿2 ⥊ 1‿2‿3
2‿↑‿2 ⥊ 1‿2‿3