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authorrazetime <raghuallthetime@hotmail.com>2022-01-19 22:48:16 +0530
committerrazetime <raghuallthetime@hotmail.com>2022-01-19 22:48:16 +0530
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+*View this file with results and syntax highlighting [here](https://mlochbaum.github.io/BQN/help/deduplicate_find.html).*
+
+# Epsilon Underbar (`⍷`)
+
+## `⍷ 𝕩`: Deduplicate
+
+Unique major cells of `𝕩`.
+
+ ⍷ 4‿5‿6‿6‿4‿7‿5
+
+ a ← 3‿3 ⥊ ↕6
+
+ ⍷ a
+
+
+
+## `𝕨 ⍷ 𝕩`: Find
+
+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"
+
+ a ← 7 (4|⋆˜)⌜○↕ 9
+
+ b ← (0‿3‿0≍0‿1‿0)
+
+ b ⍷ a
+
+