From 97e31a20cefe21c1627f33057d20d7970511754f Mon Sep 17 00:00:00 2001
From: Marshall Lochbaum <mwlochbaum@gmail.com>
Date: Tue, 6 Jul 2021 22:14:00 -0400
Subject: Diagram for Take and Drop

---
 doc/take.md | 43 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)
 create mode 100644 doc/take.md

(limited to 'doc')

diff --git a/doc/take.md b/doc/take.md
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+*View this file with results and syntax highlighting [here](https://mlochbaum.github.io/BQN/doc/take.html).*
+
+# Take and Drop
+
+<!--GEN
+xt ← '''(Highlight∾∾⊣)¨ "startend"
+wv ← 5
+d ← 56‿80
+
+rc ← At "class=code|stroke-width=1.5|rx=12"
+Ge ← "g"⊸At⊸Enc
+g  ← "fill=currentColor|stroke-linecap=round|text-anchor=middle|font-family=BQN,monospace"
+cg ← "font-size=25px"
+bg ← "class=bluegreen|stroke-width=3|style=fill:none|opacity=0.8"
+ag ← "class=green|stroke-width=3|style=fill:none|opacity=0.8"
+lg ← "class=red|stroke-width=2.5|stroke-dasharray=9 9|opacity=0.9"
+
+Text ← ("text" Attr "dy"‿"0.32em"∾ ·Pos d⊸×)⊸Enc
+Line ← "line" Elt ("xy"≍⌜"12")≍˘○⥊ ·FmtNum d×⊢
+
+_brak ← {
+  P ← ∾"M l l "∾¨ ·FmtNum∘⥊ ∾
+  "path" Elt "d"≍○< ∾ (𝕨((0‿¯1×𝕗)+d×≍)⌜𝕩) P¨ ≍○<⟜⌽ -⌾⊑⊸≍𝕗
+}
+ab ← ¯25‿12
+
+tx ← ↕≠xt ⋄ ay ← 0.54 + ty ← 0
+wm ← 0‿1 ⊑ bp ← 2↕(÷2)-˜⟨0,wv,≠xt⟩
+tp ← (¯1.2∾2÷˜+˝bp) ≍¨ ty+/1‿2
+dim ← ⟨2+≠tx,1.96⟩ ⋄ sh ← ¯1.8‿¯0.5
+
+((∾˜d)×((-∾+˜)1‿0.3)+sh∾dim) SVG g Ge ⟨
+  "rect" Elt rc ∾ (Pos d×sh)∾"width"‿"height"≍˘FmtNum d×dim
+  cg Ge tp Text⟜Highlight¨ (<∾"↑"‿"↓"((•Repr wv)∾∾)¨<) "𝕩"
+  "font-size=21px" Ge (tx≍¨ty) Text¨ xt
+  bg Ge ((-⊸≍0.4)+0‿¯1⊏tx) 6‿15 _brak ty
+  ag Ge ⟨
+    ((-⊸≍0.9)+wm) ab _brak ay
+    Line∘≍⟜(≍˜ay)¨ <˘ bp + -∘⌽⊸≍⟨0.9+ab÷○⊑d,¯0.2⟩
+  ⟩
+  lg Ge Line wm ≍˜⊸≍ ¯0.3‿1.2+ty
+⟩
+-->
-- 
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