From f3d45a1ca914d59968531a6d5c409d80b73e53c3 Mon Sep 17 00:00:00 2001
From: razetime <raghuallthetime@hotmail.com>
Date: Thu, 20 Jan 2022 11:57:50 +0530
Subject: complete REPL help for symbols

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 help/currentfunction.md | 14 ++++++++++++++
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+*View this file with results and syntax highlighting [here](https://mlochbaum.github.io/BQN/help/currentfunction.html).*
+
+# Mathematical Double-struck S (`𝕊`)
+
+## `𝕊`: Current Function
+
+A variable assigned to the current function block. `𝕤` can be used to access the current function block as a value.
+
+`𝕊` can be used for recursion.
+
+        F ← {𝕊 0: 1; 𝕩 × 𝕊 𝕩-1} # Factorial
+        F 5
+
+        {𝕤‿𝕤}4
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