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| author | Marshall Lochbaum <mwlochbaum@gmail.com> | 2020-07-18 23:35:02 -0400 |
|---|---|---|
| committer | Marshall Lochbaum <mwlochbaum@gmail.com> | 2020-07-18 23:35:02 -0400 |
| commit | 4b9b761cc990f9247083ea28a32d9123bb752818 (patch) | |
| tree | 9e491c67662f8378ba39c8da90b6ae6a6783d596 /docs/doc/group.html | |
| parent | c63290ae05990f54619207ac6ee0b3fbf6f9c145 (diff) | |
Add a main repository link to html files and titles to spec files
Diffstat (limited to 'docs/doc/group.html')
| -rw-r--r-- | docs/doc/group.html | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/docs/doc/group.html b/docs/doc/group.html index 4f3a6b62..8a562285 100644 --- a/docs/doc/group.html +++ b/docs/doc/group.html @@ -1,4 +1,5 @@ <head><link href="../style.css" rel="stylesheet"/></head> +<div class="nav"><a href="https://github.com/mlochbaum/BQN">BQN</a></div> <h1 id="group">Group</h1> <p>BQN replaces the <a href="https://aplwiki.com/wiki/Key">Key</a> operator from J or Dyalog APL, and <a href="https://aplwiki.com/wiki/Partition_representations">many forms of partitioning</a>, with a single (ambivalent) Group function <code><span class='Function'>⊔</span></code>. This function is somewhat related to the K function <code><span class='Function'>=</span></code> of the same name, but results in an array rather than a dictionary.</p> <p>The BQN prototype does not implement this function: instead it uses <code><span class='Function'>⊔</span></code> for a Group/Key function very similar to <code><span class='Brace'>{</span><span class='Value'>⊂⍵</span><span class='Brace'>}</span><span class='Value'>⌸</span></code> in Dyalog APL, and also has a Cut function <code><span class='Value'>\</span></code>. The new BQN Group on numeric arguments (equivalently, rank-1 results) can be defined like this:</p> |