From 2c50d91ec7eb8bc7890befe874a0b93729c2437e Mon Sep 17 00:00:00 2001 From: razetime Date: Wed, 19 Jan 2022 22:48:16 +0530 Subject: add h2s remove copied output, ascii filenames --- docs/help/shiftbefore.html | 36 ++++++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 docs/help/shiftbefore.html (limited to 'docs/help/shiftbefore.html') diff --git a/docs/help/shiftbefore.html b/docs/help/shiftbefore.html new file mode 100644 index 00000000..ec12f634 --- /dev/null +++ b/docs/help/shiftbefore.html @@ -0,0 +1,36 @@ + + + + BQN: Left Pointing Double Angle Quotation (`«`) + +
(github) / BQN / help
+

Left Pointing Double Angle Quotation («)

+

« 𝕩: Shift Before

+

Remove the first element of 𝕩, add a cell of fill values to the end of the first axis of 𝕩.

+↗️
       78 « 1‿2‿3
+⟨ 2 3 78 ⟩
+
+       « 1‿2‿3
+⟨ 2 3 0 ⟩
+
+       « 3‿3 ⥊ 9
+┌─       
+╵ 9 9 9  
+  9 9 9  
+  0 0 0  
+        ┘
+
+

𝕨 « 𝕩: Shift Before

+

Remove the first ≠𝕨 (length) major cells from 𝕩, join 𝕨 to the end of 𝕩. Ranks must match.

+↗️
       8‿5 « 1‿2‿3
+⟨ 3 8 5 ⟩
+
+       a ← 3‿3 ⥊ 9
+
+       1‿2‿3 « a
+┌─       
+╵ 9 9 9  
+  9 9 9  
+  1 2 3  
+        ┘
+
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