+ Penlight

author: chai <chaifix@163.com> 2021-10-30 11:32:16 +0800
committer: chai <chaifix@163.com> 2021-10-30 11:32:16 +0800
commit: 42ec7286b2d36a9ba22925f816a17cb1cc2aa5ce (patch)
tree: 24bc7009457a8d7500f264e89946dc20d069294f /Data/Libraries/Penlight/docs/classes/pl.Set.html
parent: 164885fd98d48703bd771f802d79557b7db97431 (diff)
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+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
+   "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
+<head>
+    <title>Penlight Documentation</title>
+    <link rel="stylesheet" href="../ldoc_fixed.css" type="text/css" />
+</head>
+<body>
+
+<div id="container">
+
+<div id="product">
+	<div id="product_logo"></div>
+	<div id="product_name"><big><b></b></big></div>
+	<div id="product_description"></div>
+</div> <!-- id="product" -->
+
+
+<div id="main">
+
+
+<!-- Menu -->
+
+<div id="navigation">
+<br/>
+<h1>Penlight</h1>
+
+<ul>
+  <li><a href="https://github.com/lunarmodules/Penlight">GitHub Project</a></li>
+  <li><a href="../index.html">Documentation</a></li>
+</ul>
+
+<h2>Contents</h2>
+<ul>
+<li><a href="#Methods">Methods</a></li>
+<li><a href="#Metamethods">Metamethods</a></li>
+</ul>
+
+
+<h2>Classes</h2>
+<ul class="nowrap">
+  <li><a href="../classes/pl.Date.html">pl.Date</a></li>
+  <li><a href="../classes/pl.List.html">pl.List</a></li>
+  <li><a href="../classes/pl.Map.html">pl.Map</a></li>
+  <li><a href="../classes/pl.MultiMap.html">pl.MultiMap</a></li>
+  <li><a href="../classes/pl.OrderedMap.html">pl.OrderedMap</a></li>
+  <li><strong>pl.Set</strong></li>
+</ul>
+<h2>Libraries</h2>
+<ul class="nowrap">
+  <li><a href="../libraries/pl.html">pl</a></li>
+  <li><a href="../libraries/pl.app.html">pl.app</a></li>
+  <li><a href="../libraries/pl.array2d.html">pl.array2d</a></li>
+  <li><a href="../libraries/pl.class.html">pl.class</a></li>
+  <li><a href="../libraries/pl.compat.html">pl.compat</a></li>
+  <li><a href="../libraries/pl.comprehension.html">pl.comprehension</a></li>
+  <li><a href="../libraries/pl.config.html">pl.config</a></li>
+  <li><a href="../libraries/pl.data.html">pl.data</a></li>
+  <li><a href="../libraries/pl.dir.html">pl.dir</a></li>
+  <li><a href="../libraries/pl.file.html">pl.file</a></li>
+  <li><a href="../libraries/pl.func.html">pl.func</a></li>
+  <li><a href="../libraries/pl.import_into.html">pl.import_into</a></li>
+  <li><a href="../libraries/pl.input.html">pl.input</a></li>
+  <li><a href="../libraries/pl.lapp.html">pl.lapp</a></li>
+  <li><a href="../libraries/pl.lexer.html">pl.lexer</a></li>
+  <li><a href="../libraries/pl.luabalanced.html">pl.luabalanced</a></li>
+  <li><a href="../libraries/pl.operator.html">pl.operator</a></li>
+  <li><a href="../libraries/pl.path.html">pl.path</a></li>
+  <li><a href="../libraries/pl.permute.html">pl.permute</a></li>
+  <li><a href="../libraries/pl.pretty.html">pl.pretty</a></li>
+  <li><a href="../libraries/pl.seq.html">pl.seq</a></li>
+  <li><a href="../libraries/pl.sip.html">pl.sip</a></li>
+  <li><a href="../libraries/pl.strict.html">pl.strict</a></li>
+  <li><a href="../libraries/pl.stringio.html">pl.stringio</a></li>
+  <li><a href="../libraries/pl.stringx.html">pl.stringx</a></li>
+  <li><a href="../libraries/pl.tablex.html">pl.tablex</a></li>
+  <li><a href="../libraries/pl.template.html">pl.template</a></li>
+  <li><a href="../libraries/pl.test.html">pl.test</a></li>
+  <li><a href="../libraries/pl.text.html">pl.text</a></li>
+  <li><a href="../libraries/pl.types.html">pl.types</a></li>
+  <li><a href="../libraries/pl.url.html">pl.url</a></li>
+  <li><a href="../libraries/pl.utils.html">pl.utils</a></li>
+  <li><a href="../libraries/pl.xml.html">pl.xml</a></li>
+</ul>
+<h2>Manual</h2>
+<ul class="nowrap">
+  <li><a href="../manual/01-introduction.md.html">Introduction</a></li>
+  <li><a href="../manual/02-arrays.md.html">Tables and Arrays</a></li>
+  <li><a href="../manual/03-strings.md.html">Strings. Higher-level operations on strings.</a></li>
+  <li><a href="../manual/04-paths.md.html">Paths and Directories</a></li>
+  <li><a href="../manual/05-dates.md.html">Date and Time</a></li>
+  <li><a href="../manual/06-data.md.html">Data</a></li>
+  <li><a href="../manual/07-functional.md.html">Functional Programming</a></li>
+  <li><a href="../manual/08-additional.md.html">Additional Libraries</a></li>
+  <li><a href="../manual/09-discussion.md.html">Technical Choices</a></li>
+</ul>
+<h2>Examples</h2>
+<ul class="nowrap">
+  <li><a href="../examples/seesubst.lua.html">seesubst.lua</a></li>
+  <li><a href="../examples/sipscan.lua.html">sipscan.lua</a></li>
+  <li><a href="../examples/symbols.lua.html">symbols.lua</a></li>
+  <li><a href="../examples/test-cmp.lua.html">test-cmp.lua</a></li>
+  <li><a href="../examples/test-data.lua.html">test-data.lua</a></li>
+  <li><a href="../examples/test-listcallbacks.lua.html">test-listcallbacks.lua</a></li>
+  <li><a href="../examples/test-pretty.lua.html">test-pretty.lua</a></li>
+  <li><a href="../examples/test-symbols.lua.html">test-symbols.lua</a></li>
+  <li><a href="../examples/testclone.lua.html">testclone.lua</a></li>
+  <li><a href="../examples/testconfig.lua.html">testconfig.lua</a></li>
+  <li><a href="../examples/testglobal.lua.html">testglobal.lua</a></li>
+  <li><a href="../examples/testinputfields.lua.html">testinputfields.lua</a></li>
+  <li><a href="../examples/testinputfields2.lua.html">testinputfields2.lua</a></li>
+  <li><a href="../examples/testxml.lua.html">testxml.lua</a></li>
+  <li><a href="../examples/which.lua.html">which.lua</a></li>
+</ul>
+
+</div>
+
+<div id="content">
+
+<h1>Class <code>pl.Set</code></h1>
+<p>A Set class.</p>
+<p>
+
+
+
+<pre>
+&gt; Set = <span class="global">require</span> <span class="string">'pl.Set'</span>
+&gt; = Set{<span class="string">'one'</span>,<span class="string">'two'</span>} == Set{<span class="string">'two'</span>,<span class="string">'one'</span>}
+<span class="keyword">true</span>
+&gt; fruit = Set{<span class="string">'apple'</span>,<span class="string">'banana'</span>,<span class="string">'orange'</span>}
+&gt; = fruit[<span class="string">'banana'</span>]
+<span class="keyword">true</span>
+&gt; = fruit[<span class="string">'hazelnut'</span>]
+<span class="keyword">nil</span>
+&gt; colours = Set{<span class="string">'red'</span>,<span class="string">'orange'</span>,<span class="string">'green'</span>,<span class="string">'blue'</span>}
+&gt; = fruit,colours
+[apple,orange,banana]   [blue,green,orange,red]
+&gt; = fruit+colours
+[blue,green,apple,red,orange,banana]
+[orange]
+&gt; more_fruits = fruit + <span class="string">'apricot'</span>
+&gt; = fruit*colours
+ =  more_fruits, fruit
+banana,apricot,apple,orange]    [banana,apple,orange]
+</pre>
+
+<p> Dependencies: <a href="../libraries/pl.utils.html#">pl.utils</a>, <a href="../libraries/pl.tablex.html#">pl.tablex</a>, <a href="../libraries/pl.class.html#">pl.class</a>, <a href="../classes/pl.Map.html#">pl.Map</a>, (<a href="../classes/pl.List.html#">pl.List</a> if __tostring is used)</p>
+</p>
+
+
+<h2><a href="#Methods">Methods</a></h2>
+<table class="function_list">
+	<tr>
+	<td class="name" nowrap><a href="#pl.Set:Set">pl.Set:Set (t)</a></td>
+	<td class="summary">create a set.</td>
+	</tr>
+	<tr>
+	<td class="name" nowrap><a href="#pl.Set:values">pl.Set:values (self)</a></td>
+	<td class="summary">get a list of the values in a set.</td>
+	</tr>
+	<tr>
+	<td class="name" nowrap><a href="#pl.Set:map">pl.Set:map (self, fn, ...)</a></td>
+	<td class="summary">map a function over the values of a set.</td>
+	</tr>
+	<tr>
+	<td class="name" nowrap><a href="#pl.Set:union">pl.Set:union (self, set)</a></td>
+	<td class="summary">union of two sets (also +).</td>
+	</tr>
+	<tr>
+	<td class="name" nowrap><a href="#pl.Set:intersection">pl.Set:intersection (self, set)</a></td>
+	<td class="summary">intersection of two sets (also *).</td>
+	</tr>
+	<tr>
+	<td class="name" nowrap><a href="#pl.Set:difference">pl.Set:difference (self, set)</a></td>
+	<td class="summary">new set with elements in the set that are not in the other (also -).</td>
+	</tr>
+	<tr>
+	<td class="name" nowrap><a href="#pl.Set:issubset">pl.Set:issubset (self, set)</a></td>
+	<td class="summary">is the first set a subset of the second (also &lt;)?.</td>
+	</tr>
+	<tr>
+	<td class="name" nowrap><a href="#pl.Set:isempty">pl.Set:isempty (self)</a></td>
+	<td class="summary">is the set empty?.</td>
+	</tr>
+	<tr>
+	<td class="name" nowrap><a href="#pl.Set:isdisjoint">pl.Set:isdisjoint (s1, s2)</a></td>
+	<td class="summary">are the sets disjoint?</td>
+	</tr>
+	<tr>
+	<td class="name" nowrap><a href="#pl.Set:len">pl.Set:len (s)</a></td>
+	<td class="summary">size of this set (also # for 5.2).</td>
+	</tr>
+</table>
+<h2><a href="#Metamethods">Metamethods</a></h2>
+<table class="function_list">
+	<tr>
+	<td class="name" nowrap><a href="#pl.Set:__tostring">pl.Set:__tostring ()</a></td>
+	<td class="summary">string representation of a set.</td>
+	</tr>
+	<tr>
+	<td class="name" nowrap><a href="#pl.Set:__add">pl.Set:__add ()</a></td>
+	<td class="summary">union of sets.</td>
+	</tr>
+	<tr>
+	<td class="name" nowrap><a href="#pl.Set:__mul">pl.Set:__mul ()</a></td>
+	<td class="summary">intersection of sets.</td>
+	</tr>
+	<tr>
+	<td class="name" nowrap><a href="#pl.Set:__sub">pl.Set:__sub ()</a></td>
+	<td class="summary">difference of sets.</td>
+	</tr>
+	<tr>
+	<td class="name" nowrap><a href="#pl.Set:__pow">pl.Set:__pow ()</a></td>
+	<td class="summary">symmetric difference of sets.</td>
+	</tr>
+	<tr>
+	<td class="name" nowrap><a href="#pl.Set:__lt">pl.Set:__lt ()</a></td>
+	<td class="summary">first set subset of second?</td>
+	</tr>
+	<tr>
+	<td class="name" nowrap><a href="#pl.Set:__len">pl.Set:__len ()</a></td>
+	<td class="summary">cardinality of set (5.2).</td>
+	</tr>
+	<tr>
+	<td class="name" nowrap><a href="#pl.Set:__eq">pl.Set:__eq (s1, s2)</a></td>
+	<td class="summary">equality between sets.</td>
+	</tr>
+</table>
+
+<br/>
+<br/>
+
+
+    <h2 class="section-header "><a name="Methods"></a>Methods</h2>
+
+    <dl class="function">
+    <dt>
+    <a name = "pl.Set:Set"></a>
+    <strong>pl.Set:Set (t)</strong>
+    </dt>
+    <dd>
+    create a set.  <br>
+
+
+    <h3>Parameters:</h3>
+    <ul>
+        <li><span class="parameter">t</span>
+         may be a Set, Map or list-like table.
+        </li>
+    </ul>
+
+
+
+
+
+</dd>
+    <dt>
+    <a name = "pl.Set:values"></a>
+    <strong>pl.Set:values (self)</strong>
+    </dt>
+    <dd>
+    get a list of the values in a set.
+
+
+    <h3>Parameters:</h3>
+    <ul>
+        <li><span class="parameter">self</span>
+         a Set
+        </li>
+    </ul>
+
+    <h3>Returns:</h3>
+    <ol>
+
+        a list
+    </ol>
+
+
+
+
+</dd>
+    <dt>
+    <a name = "pl.Set:map"></a>
+    <strong>pl.Set:map (self, fn, ...)</strong>
+    </dt>
+    <dd>
+    map a function over the values of a set.
+
+
+    <h3>Parameters:</h3>
+    <ul>
+        <li><span class="parameter">self</span>
+         a Set
+        </li>
+        <li><span class="parameter">fn</span>
+         a function
+        </li>
+        <li><span class="parameter">...</span>
+         extra arguments to pass to the function.
+        </li>
+    </ul>
+
+    <h3>Returns:</h3>
+    <ol>
+
+        a new set
+    </ol>
+
+
+
+
+</dd>
+    <dt>
+    <a name = "pl.Set:union"></a>
+    <strong>pl.Set:union (self, set)</strong>
+    </dt>
+    <dd>
+    union of two sets (also +).
+
+
+    <h3>Parameters:</h3>
+    <ul>
+        <li><span class="parameter">self</span>
+         a Set
+        </li>
+        <li><span class="parameter">set</span>
+         another set
+        </li>
+    </ul>
+
+    <h3>Returns:</h3>
+    <ol>
+
+        a new set
+    </ol>
+
+
+
+
+</dd>
+    <dt>
+    <a name = "pl.Set:intersection"></a>
+    <strong>pl.Set:intersection (self, set)</strong>
+    </dt>
+    <dd>
+    intersection of two sets (also *).
+
+
+    <h3>Parameters:</h3>
+    <ul>
+        <li><span class="parameter">self</span>
+         a Set
+        </li>
+        <li><span class="parameter">set</span>
+         another set
+        </li>
+    </ul>
+
+    <h3>Returns:</h3>
+    <ol>
+
+        a new set
+    </ol>
+
+
+
+    <h3>Usage:</h3>
+    <ul>
+        <pre class="example">&gt; s = Set{<span class="number">10</span>,<span class="number">20</span>,<span class="number">30</span>}
+&gt; t = Set{<span class="number">20</span>,<span class="number">30</span>,<span class="number">40</span>}
+&gt; = t
+[<span class="number">20</span>,<span class="number">30</span>,<span class="number">40</span>]
+&gt; = Set.intersection(s,t)
+[<span class="number">30</span>,<span class="number">20</span>]
+&gt; = s*t
+[<span class="number">30</span>,<span class="number">20</span>]</pre>
+    </ul>
+
+</dd>
+    <dt>
+    <a name = "pl.Set:difference"></a>
+    <strong>pl.Set:difference (self, set)</strong>
+    </dt>
+    <dd>
+    new set with elements in the set that are not in the other (also -).
+
+
+    <h3>Parameters:</h3>
+    <ul>
+        <li><span class="parameter">self</span>
+         a Set
+        </li>
+        <li><span class="parameter">set</span>
+         another set
+        </li>
+    </ul>
+
+    <h3>Returns:</h3>
+    <ol>
+
+        a new set
+    </ol>
+
+
+
+
+</dd>
+    <dt>
+    <a name = "pl.Set:issubset"></a>
+    <strong>pl.Set:issubset (self, set)</strong>
+    </dt>
+    <dd>
+    is the first set a subset of the second (also &lt;)?.
+
+
+    <h3>Parameters:</h3>
+    <ul>
+        <li><span class="parameter">self</span>
+         a Set
+        </li>
+        <li><span class="parameter">set</span>
+         another set
+        </li>
+    </ul>
+
+    <h3>Returns:</h3>
+    <ol>
+
+        true or false
+    </ol>
+
+
+
+
+</dd>
+    <dt>
+    <a name = "pl.Set:isempty"></a>
+    <strong>pl.Set:isempty (self)</strong>
+    </dt>
+    <dd>
+    is the set empty?.
+
+
+    <h3>Parameters:</h3>
+    <ul>
+        <li><span class="parameter">self</span>
+         a Set
+        </li>
+    </ul>
+
+    <h3>Returns:</h3>
+    <ol>
+
+        true or false
+    </ol>
+
+
+
+
+</dd>
+    <dt>
+    <a name = "pl.Set:isdisjoint"></a>
+    <strong>pl.Set:isdisjoint (s1, s2)</strong>
+    </dt>
+    <dd>
+    are the sets disjoint?  (no elements in common).
+ Uses naive definition, i.e. that intersection is empty
+
+
+    <h3>Parameters:</h3>
+    <ul>
+        <li><span class="parameter">s1</span>
+         a Set
+        </li>
+        <li><span class="parameter">s2</span>
+         another set
+        </li>
+    </ul>
+
+    <h3>Returns:</h3>
+    <ol>
+
+        true or false
+    </ol>
+
+
+
+
+</dd>
+    <dt>
+    <a name = "pl.Set:len"></a>
+    <strong>pl.Set:len (s)</strong>
+    </dt>
+    <dd>
+    size of this set (also # for 5.2).
+
+
+    <h3>Parameters:</h3>
+    <ul>
+        <li><span class="parameter">s</span>
+         a Set
+        </li>
+    </ul>
+
+    <h3>Returns:</h3>
+    <ol>
+
+        size
+    </ol>
+
+
+
+
+</dd>
+</dl>
+    <h2 class="section-header "><a name="Metamethods"></a>Metamethods</h2>
+
+    <dl class="function">
+    <dt>
+    <a name = "pl.Set:__tostring"></a>
+    <strong>pl.Set:__tostring ()</strong>
+    </dt>
+    <dd>
+    string representation of a set.
+
+
+
+
+
+
+
+</dd>
+    <dt>
+    <a name = "pl.Set:__add"></a>
+    <strong>pl.Set:__add ()</strong>
+    </dt>
+    <dd>
+    union of sets.
+
+
+
+
+
+
+
+</dd>
+    <dt>
+    <a name = "pl.Set:__mul"></a>
+    <strong>pl.Set:__mul ()</strong>
+    </dt>
+    <dd>
+    intersection of sets.
+
+
+
+
+
+
+
+</dd>
+    <dt>
+    <a name = "pl.Set:__sub"></a>
+    <strong>pl.Set:__sub ()</strong>
+    </dt>
+    <dd>
+    difference of sets.
+
+
+
+
+
+
+
+</dd>
+    <dt>
+    <a name = "pl.Set:__pow"></a>
+    <strong>pl.Set:__pow ()</strong>
+    </dt>
+    <dd>
+    symmetric difference of sets.
+
+
+
+
+
+
+
+</dd>
+    <dt>
+    <a name = "pl.Set:__lt"></a>
+    <strong>pl.Set:__lt ()</strong>
+    </dt>
+    <dd>
+    first set subset of second?
+
+
+
+
+
+
+
+</dd>
+    <dt>
+    <a name = "pl.Set:__len"></a>
+    <strong>pl.Set:__len ()</strong>
+    </dt>
+    <dd>
+    cardinality of set (5.2).
+
+
+
+
+
+
+
+</dd>
+    <dt>
+    <a name = "pl.Set:__eq"></a>
+    <strong>pl.Set:__eq (s1, s2)</strong>
+    </dt>
+    <dd>
+    equality between sets.
+
+
+    <h3>Parameters:</h3>
+    <ul>
+        <li><span class="parameter">s1</span>
+
+
+
+        </li>
+        <li><span class="parameter">s2</span>
+
+
+
+        </li>
+    </ul>
+
+
+
+
+
+</dd>
+</dl>
+
+
+</div> <!-- id="content" -->
+</div> <!-- id="main" -->
+<div id="about">
+<i>generated by <a href="http://github.com/stevedonovan/LDoc">LDoc 1.4.6</a></i>
+</div> <!-- id="about" -->
+</div> <!-- id="container" -->
+</body>
+</html>
author	chai <chaifix@163.com>	2021-10-30 11:32:16 +0800
committer	chai <chaifix@163.com>	2021-10-30 11:32:16 +0800
commit	42ec7286b2d36a9ba22925f816a17cb1cc2aa5ce (patch)
tree	24bc7009457a8d7500f264e89946dc20d069294f /Data/Libraries/Penlight/docs/classes/pl.Set.html
parent	164885fd98d48703bd771f802d79557b7db97431 (diff)