Epsilon Underbar (`⍷`)

View this file with results and syntax highlighting here.

`⍷ 𝕩`: Deduplicate

Unique major cells of 𝕩.

    ⍷ 4‿5‿6‿6‿4‿7‿5

    a ← 3‿3 ⥊ ↕6

    ⍷ a

Mark the top left location of the occurrences of 𝕨 in 𝕩 with a 1, and other locations with 0.

Result is the same shape as (≢𝕨)↕x.

    "string" ⍷ "substring"

    "loooooong" ⍷ "short"

    b ← 7 (4|⋆˜)⌜○↕ 9

    c ← (0‿3‿0≍0‿1‿0)

    c ⍷ b