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<!doctype html>
<html>
<head>
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<title> Belt_Set </title></head>
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<nav class="module-index"><ul><li><a href="Belt.html">Belt</a></li>
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</div>
<h1>Module <a href="type_Belt_Set.html">Belt_Set</a></h1>
<pre><span id="MODULEBelt_Set"><span class="keyword">module</span> Belt_Set</span>: <code class="code">sig</code> <a href="Belt_Set.html">..</a> <code class="code">end</code></pre><div class="info module top">
<div class="not-examples">
A <i>immutable</i> sorted set module which allows customize <i>compare</i> behavior.
The implementation uses balanced binary trees, and therefore searching
and insertion take time logarithmic in the size of the map.
For more info on this module's usage of identity, `make` and others, please see
the top level documentation of Belt, <b>A special encoding for collection safety</b>.
Example usage:<br>
</div>
<div class="examples">
<pre class="example"> <pre class="codepre"><code class="code"> module PairComparator = Belt.Id.MakeComparable(struct
type t = int * int
let cmp (a0, a1) (b0, b1) =
match Pervasives.compare a0 b0 with
| 0 -> Pervasives.compare a1 b1
| c -> c
end)
let mySet = Belt.Set.make ~id:(module PairComparator)
let mySet2 = Belt.Set.add mySet (1, 2)
</code></pre>
The API documentation below will assume a predeclared comparator module for integers, IntCmp </pre>
</div>
</div>
<hr width="100%">
<pre><span id="MODULEInt"><span class="keyword">module</span> <a href="Belt_Set.Int.html">Int</a></span>: <code class="type"><a href="Belt_SetInt.html">Belt_SetInt</a></code></pre> <div class="info">
<div class="not-examples">
Specalized when value type is <code class="code">int</code>, more efficient
than the generic type, its compare behavior is fixed using the built-in comparison<br>
</div>
</div>
<pre><span id="MODULEString"><span class="keyword">module</span> <a href="Belt_Set.String.html">String</a></span>: <code class="type"><a href="Belt_SetString.html">Belt_SetString</a></code></pre> <div class="info">
<div class="not-examples">
Specalized when value type is <code class="code">string</code>, more efficient
than the generic type, its compare behavior is fixed using the built-in comparison<br>
</div>
</div>
<pre><span id="MODULEDict"><span class="keyword">module</span> <a href="Belt_Set.Dict.html">Dict</a></span>: <code class="type"><a href="Belt_SetDict.html">Belt_SetDict</a></code></pre> <div class="info">
<div class="not-examples">
This module seprate identity from data, it is a bit more verboe but slightly
more efficient due to the fact that there is no need to pack identity and data back
after each operation<br>
</div>
</div>
<pre><span id="TYPEt"><span class="keyword">type</span> <code class="type">('value, 'identity)</code> t</span> </pre>
<div class="info ">
<div class="not-examples">
<code class="code">('value, 'identity) t</code>
<code class="code">'value</code> is the element type
<code class="code">'identity</code> the identity of the collection<br>
</div>
</div>
<pre><span id="TYPEid"><span class="keyword">type</span> <code class="type">('value, 'id)</code> id</span> = <code class="type">('value, 'id) <a href="Belt_Id.html#TYPEcomparable">Belt_Id.comparable</a></code> </pre>
<div class="info ">
<div class="not-examples">
The identity needed for making a set from scratch<br>
</div>
</div>
<pre><span id="VALmake"><span class="keyword">val</span> make</span> : <code class="type">id:('value, 'id) <a href="Belt_Set.html#TYPEid">id</a> -> ('value, 'id) <a href="Belt_Set.html#TYPEt">t</a></code></pre><div class="info ">
<div class="not-examples">
<code class="code">make ~id</code> creates a new set by taking in the comparator<br>
</div>
<div class="examples">
<pre class="example"> <pre class="codepre"><code class="code"> let s = make ~id:(module IntCmp)
</code></pre> </pre>
</div>
</div>
<pre><span id="VALfromArray"><span class="keyword">val</span> fromArray</span> : <code class="type">'value array -> id:('value, 'id) <a href="Belt_Set.html#TYPEid">id</a> -> ('value, 'id) <a href="Belt_Set.html#TYPEt">t</a></code></pre><div class="info ">
<div class="not-examples">
<code class="code">fromArray xs ~id</code><br>
</div>
<div class="examples">
<pre class="example"> <pre class="codepre"><code class="code"> toArray (fromArray [1;3;2;4] (module IntCmp)) = [1;2;3;4]
</code></pre> </pre>
</div>
</div>
<pre><span id="VALfromSortedArrayUnsafe"><span class="keyword">val</span> fromSortedArrayUnsafe</span> : <code class="type">'value array -> id:('value, 'id) <a href="Belt_Set.html#TYPEid">id</a> -> ('value, 'id) <a href="Belt_Set.html#TYPEt">t</a></code></pre><div class="info ">
<div class="not-examples">
<code class="code">fromSortedArrayUnsafe xs ~id</code>
The same as <a href="Belt_Set.html#VALfromArray"><code class="code">Belt_Set.fromArray</code></a> except it is after assuming the input array <code class="code">x</code> is already sorted
<b>Unsafe</b><br>
</div>
</div>
<pre><span id="VALisEmpty"><span class="keyword">val</span> isEmpty</span> : <code class="type">('a, 'b) <a href="Belt_Set.html#TYPEt">t</a> -> bool</code></pre><div class="info ">
<div class="not-examples">
</div>
<div class="examples">
<pre class="example"> <pre class="codepre"><code class="code"> isEmpty (fromArray [||] ~id:(module IntCmp)) = true;;
isEmpty (fromArray [|1|] ~id:(module IntCmp)) = true;;
</code></pre> </pre>
</div>
</div>
<pre><span id="VALhas"><span class="keyword">val</span> has</span> : <code class="type">('value, 'id) <a href="Belt_Set.html#TYPEt">t</a> -> 'value -> bool</code></pre><div class="info ">
<div class="not-examples">
</div>
<div class="examples">
<pre class="example"> <pre class="codepre"><code class="code"> let v = fromArray [|1;4;2;5|] ~id:(module IntCmp);;
has v 3 = false;;
has v 1 = true;;
</code></pre> </pre>
</div>
</div>
<pre><span id="VALadd"><span class="keyword">val</span> add</span> : <code class="type">('value, 'id) <a href="Belt_Set.html#TYPEt">t</a> -> 'value -> ('value, 'id) <a href="Belt_Set.html#TYPEt">t</a></code></pre><div class="info ">
<div class="not-examples">
<code class="code">add s x</code> If <code class="code">x</code> was already in <code class="code">s</code>, <code class="code">s</code> is returned unchanged.<br>
</div>
<div class="examples">
<pre class="example"> <pre class="codepre"><code class="code"> let s0 = make ~id:(module IntCmp);;
let s1 = add s0 1 ;;
let s2 = add s1 2;;
let s3 = add s2 2;;
toArray s0 = [||];;
toArray s1 = [|1|];;
toArray s2 = [|1;2|];;
toArray s3 = [|1;2|];;
s2 == s3;;
</code></pre> </pre>
</div>
</div>
<pre><span id="VALmergeMany"><span class="keyword">val</span> mergeMany</span> : <code class="type">('value, 'id) <a href="Belt_Set.html#TYPEt">t</a> -> 'value array -> ('value, 'id) <a href="Belt_Set.html#TYPEt">t</a></code></pre><div class="info ">
<div class="not-examples">
<code class="code">mergeMany s xs</code>
Adding each of <code class="code">xs</code> to <code class="code">s</code>, note unlike <a href="Belt_Set.html#VALadd"><code class="code">Belt_Set.add</code></a>,
the reference of return value might be changed even if all values in <code class="code">xs</code>
exist <code class="code">s</code><br>
</div>
</div>
<pre><span id="VALremove"><span class="keyword">val</span> remove</span> : <code class="type">('value, 'id) <a href="Belt_Set.html#TYPEt">t</a> -> 'value -> ('value, 'id) <a href="Belt_Set.html#TYPEt">t</a></code></pre><div class="info ">
<div class="not-examples">
<code class="code">remove m x</code> If <code class="code">x</code> was not in <code class="code">m</code>, <code class="code">m</code> is returned reference unchanged.<br>
</div>
<div class="examples">
<pre class="example"> <pre class="codepre"><code class="code"> let s0 = fromArray ~id:(module IntCmp) [|2;3;1;4;5|];;
let s1 = remove s0 1 ;;
let s2 = remove s1 3 ;;
let s3 = remove s2 3 ;;
toArray s1 = [|2;3;4;5|];;
toArray s2 = [|2;4;5|];;
s2 == s3;;
</code></pre> </pre>
</div>
</div>
<pre><span id="VALremoveMany"><span class="keyword">val</span> removeMany</span> : <code class="type">('value, 'id) <a href="Belt_Set.html#TYPEt">t</a> -> 'value array -> ('value, 'id) <a href="Belt_Set.html#TYPEt">t</a></code></pre><div class="info ">
<div class="not-examples">
<code class="code">removeMany s xs</code>
Removing each of <code class="code">xs</code> to <code class="code">s</code>, note unlike <a href="Belt_Set.html#VALremove"><code class="code">Belt_Set.remove</code></a>,
the reference of return value might be changed even if none in <code class="code">xs</code>
exists <code class="code">s</code><br>
</div>
</div>
<pre><span id="VALunion"><span class="keyword">val</span> union</span> : <code class="type">('value, 'id) <a href="Belt_Set.html#TYPEt">t</a> -><br> ('value, 'id) <a href="Belt_Set.html#TYPEt">t</a> -> ('value, 'id) <a href="Belt_Set.html#TYPEt">t</a></code></pre><div class="info ">
<div class="not-examples">
<code class="code">union s0 s1</code><br>
</div>
<div class="examples">
<pre class="example"> <pre class="codepre"><code class="code"> let s0 = fromArray ~id:(module IntCmp) [|5;2;3;5;6|]];;
let s1 = fromArray ~id:(module IntCmp) [|5;2;3;1;5;4;|];;
toArray (union s0 s1) = [|1;2;3;4;5;6|]
</code></pre> </pre>
</div>
</div>
<pre><span id="VALintersect"><span class="keyword">val</span> intersect</span> : <code class="type">('value, 'id) <a href="Belt_Set.html#TYPEt">t</a> -><br> ('value, 'id) <a href="Belt_Set.html#TYPEt">t</a> -> ('value, 'id) <a href="Belt_Set.html#TYPEt">t</a></code></pre><div class="info ">
<div class="not-examples">
<code class="code">intersect s0 s1</code><br>
</div>
<div class="examples">
<pre class="example"> <pre class="codepre"><code class="code"> let s0 = fromArray ~id:(module IntCmp) [|5;2;3;5;6|]];;
let s1 = fromArray ~id:(module IntCmp) [|5;2;3;1;5;4;|];;
toArray (intersect s0 s1) = [|2;3;5|]
</code></pre> </pre>
</div>
</div>
<pre><span id="VALdiff"><span class="keyword">val</span> diff</span> : <code class="type">('value, 'id) <a href="Belt_Set.html#TYPEt">t</a> -><br> ('value, 'id) <a href="Belt_Set.html#TYPEt">t</a> -> ('value, 'id) <a href="Belt_Set.html#TYPEt">t</a></code></pre><div class="info ">
<div class="not-examples">
<code class="code">diff s0 s1</code><br>
</div>
<div class="examples">
<pre class="example"> <pre class="codepre"><code class="code"> let s0 = fromArray ~id:(module IntCmp) [|5;2;3;5;6|]];;
let s1 = fromArray ~id:(module IntCmp) [|5;2;3;1;5;4;|];;
toArray (diff s0 s1) = [|6|];;
toArray (diff s1 s0) = [|1;4|];;
</code></pre> </pre>
</div>
</div>
<pre><span id="VALsubset"><span class="keyword">val</span> subset</span> : <code class="type">('value, 'id) <a href="Belt_Set.html#TYPEt">t</a> -> ('value, 'id) <a href="Belt_Set.html#TYPEt">t</a> -> bool</code></pre><div class="info ">
<div class="not-examples">
<code class="code">subset s0 s1</code><br>
</div>
<div class="examples">
<pre class="example"> <pre class="codepre"><code class="code"> let s0 = fromArray ~id:(module IntCmp) [|5;2;3;5;6|]];;
let s1 = fromArray ~id:(module IntCmp) [|5;2;3;1;5;4;|];;
let s2 = intersect s0 s1;;
subset s2 s0 = true;;
subset s2 s1 = true;;
subset s1 s0 = false;;
</code></pre> </pre>
</div>
</div>
<pre><span id="VALcmp"><span class="keyword">val</span> cmp</span> : <code class="type">('value, 'id) <a href="Belt_Set.html#TYPEt">t</a> -> ('value, 'id) <a href="Belt_Set.html#TYPEt">t</a> -> int</code></pre><div class="info ">
<div class="not-examples">
Total ordering between sets. Can be used as the ordering function
for doing sets of sets.
It compare <code class="code">size</code> first and then iterate over
each element following the order of elements<br>
</div>
</div>
<pre><span id="VALeq"><span class="keyword">val</span> eq</span> : <code class="type">('value, 'id) <a href="Belt_Set.html#TYPEt">t</a> -> ('value, 'id) <a href="Belt_Set.html#TYPEt">t</a> -> bool</code></pre><div class="info ">
<div class="not-examples">
<code class="code">eq s0 s1</code><br>
<div class="tag"> <li><b>Returns</b> true if <code class="code">toArray s0 = toArray s1</code></li>
</div>
</div>
</div>
<pre><span id="VALforEachU"><span class="keyword">val</span> forEachU</span> : <code class="type">('value, 'id) <a href="Belt_Set.html#TYPEt">t</a> -> ('value -> unit [@bs]) -> unit</code></pre>
<pre><span id="VALforEach"><span class="keyword">val</span> forEach</span> : <code class="type">('value, 'id) <a href="Belt_Set.html#TYPEt">t</a> -> ('value -> unit) -> unit</code></pre><div class="info ">
<div class="not-examples">
<code class="code">forEach s f</code> applies <code class="code">f</code> in turn to all elements of <code class="code">s</code>.
In increasing order<br>
</div>
<div class="examples">
<pre class="example"> <pre class="codepre"><code class="code"> let s0 = fromArray ~id:(module IntCmp) [|5;2;3;5;6|]];;
let acc = ref [] ;;
forEach s0 (fun x -> acc := x !acc);;
!acc = [6;5;3;2];;
</code></pre> </pre>
</div>
</div>
<pre><span id="VALreduceU"><span class="keyword">val</span> reduceU</span> : <code class="type">('value, 'id) <a href="Belt_Set.html#TYPEt">t</a> -> 'a -> ('a -> 'value -> 'a [@bs]) -> 'a</code></pre>
<pre><span id="VALreduce"><span class="keyword">val</span> reduce</span> : <code class="type">('value, 'id) <a href="Belt_Set.html#TYPEt">t</a> -> 'a -> ('a -> 'value -> 'a) -> 'a</code></pre><div class="info ">
<div class="not-examples">
In increasing order.<br>
</div>
<div class="examples">
<pre class="example"> <pre class="codepre"><code class="code"> let s0 = fromArray ~id:(module IntCmp) [|5;2;3;5;6|]];;
reduce s0 [] Bs.List.add = [6;5;3;2];;
</code></pre> </pre>
</div>
</div>
<pre><span id="VALeveryU"><span class="keyword">val</span> everyU</span> : <code class="type">('value, 'id) <a href="Belt_Set.html#TYPEt">t</a> -> ('value -> bool [@bs]) -> bool</code></pre>
<pre><span id="VALevery"><span class="keyword">val</span> every</span> : <code class="type">('value, 'id) <a href="Belt_Set.html#TYPEt">t</a> -> ('value -> bool) -> bool</code></pre><div class="info ">
<div class="not-examples">
<code class="code">every p s</code> checks if all elements of the set
satisfy the predicate <code class="code">p</code>. Order unspecified.<br>
</div>
</div>
<pre><span id="VALsomeU"><span class="keyword">val</span> someU</span> : <code class="type">('value, 'id) <a href="Belt_Set.html#TYPEt">t</a> -> ('value -> bool [@bs]) -> bool</code></pre>
<pre><span id="VALsome"><span class="keyword">val</span> some</span> : <code class="type">('value, 'id) <a href="Belt_Set.html#TYPEt">t</a> -> ('value -> bool) -> bool</code></pre><div class="info ">
<div class="not-examples">
<code class="code">some p s</code> checks if at least one element of
the set satisfies the predicate <code class="code">p</code>.<br>
</div>
</div>
<pre><span id="VALkeepU"><span class="keyword">val</span> keepU</span> : <code class="type">('value, 'id) <a href="Belt_Set.html#TYPEt">t</a> -><br> ('value -> bool [@bs]) -> ('value, 'id) <a href="Belt_Set.html#TYPEt">t</a></code></pre>
<pre><span id="VALkeep"><span class="keyword">val</span> keep</span> : <code class="type">('value, 'id) <a href="Belt_Set.html#TYPEt">t</a> -> ('value -> bool) -> ('value, 'id) <a href="Belt_Set.html#TYPEt">t</a></code></pre><div class="info ">
<div class="not-examples">
<code class="code">keep m p</code> returns the set of all elements in <code class="code">s</code>
that satisfy predicate <code class="code">p</code>.<br>
</div>
</div>
<pre><span id="VALpartitionU"><span class="keyword">val</span> partitionU</span> : <code class="type">('value, 'id) <a href="Belt_Set.html#TYPEt">t</a> -><br> ('value -> bool [@bs]) -> ('value, 'id) <a href="Belt_Set.html#TYPEt">t</a> * ('value, 'id) <a href="Belt_Set.html#TYPEt">t</a></code></pre>
<pre><span id="VALpartition"><span class="keyword">val</span> partition</span> : <code class="type">('value, 'id) <a href="Belt_Set.html#TYPEt">t</a> -><br> ('value -> bool) -> ('value, 'id) <a href="Belt_Set.html#TYPEt">t</a> * ('value, 'id) <a href="Belt_Set.html#TYPEt">t</a></code></pre><div class="info ">
<div class="not-examples">
<code class="code">partition m p</code> returns a pair of sets <code class="code">(s1, s2)</code>, where
<code class="code">s1</code> is the set of all the elements of <code class="code">s</code> that satisfy the
predicate <code class="code">p</code>, and <code class="code">s2</code> is the set of all the elements of
<code class="code">s</code> that do not satisfy <code class="code">p</code>.<br>
</div>
</div>
<pre><span id="VALsize"><span class="keyword">val</span> size</span> : <code class="type">('value, 'id) <a href="Belt_Set.html#TYPEt">t</a> -> int</code></pre><div class="info ">
<div class="not-examples">
<code class="code">size s</code><br>
</div>
<div class="examples">
<pre class="example"> <pre class="codepre"><code class="code"> let s0 = fromArray ~id:(module IntCmp) [|5;2;3;5;6|]];;
size s0 = 4;;
</code></pre> </pre>
</div>
</div>
<pre><span id="VALtoArray"><span class="keyword">val</span> toArray</span> : <code class="type">('value, 'id) <a href="Belt_Set.html#TYPEt">t</a> -> 'value array</code></pre><div class="info ">
<div class="not-examples">
<code class="code">toArray s0</code><br>
</div>
<div class="examples">
<pre class="example"> <pre class="codepre"><code class="code"> let s0 = fromArray ~id:(module IntCmp) [|5;2;3;5;6|]];;
toArray s0 = [|2;3;5;6|];;
</code></pre> </pre>
</div>
</div>
<pre><span id="VALtoList"><span class="keyword">val</span> toList</span> : <code class="type">('value, 'id) <a href="Belt_Set.html#TYPEt">t</a> -> 'value list</code></pre><div class="info ">
<div class="not-examples">
In increasing order
<b>See</b> <a href="Belt_Set.html#VALtoArray"><code class="code">Belt_Set.toArray</code></a><br>
</div>
</div>
<pre><span id="VALminimum"><span class="keyword">val</span> minimum</span> : <code class="type">('value, 'id) <a href="Belt_Set.html#TYPEt">t</a> -> 'value option</code></pre><div class="info ">
<div class="not-examples">
<code class="code">minimum s0</code><br>
<div class="tag"> <li><b>Returns</b> the minimum element of the collection, <code class="code">None</code> if it is empty</li>
</div>
</div>
</div>
<pre><span id="VALminUndefined"><span class="keyword">val</span> minUndefined</span> : <code class="type">('value, 'id) <a href="Belt_Set.html#TYPEt">t</a> -> 'value <a href="Js.html#TYPEundefined">Js.undefined</a></code></pre><div class="info ">
<div class="not-examples">
<code class="code">minUndefined s0</code><br>
<div class="tag"> <li><b>Returns</b> the minimum element of the collection, <code class="code">undefined</code> if it is empty</li>
</div>
</div>
</div>
<pre><span id="VALmaximum"><span class="keyword">val</span> maximum</span> : <code class="type">('value, 'id) <a href="Belt_Set.html#TYPEt">t</a> -> 'value option</code></pre><div class="info ">
<div class="not-examples">
<code class="code">maximum s0</code><br>
<div class="tag"> <li><b>Returns</b> the maximum element of the collection, <code class="code">None</code> if it is empty</li>
</div>
</div>
</div>
<pre><span id="VALmaxUndefined"><span class="keyword">val</span> maxUndefined</span> : <code class="type">('value, 'id) <a href="Belt_Set.html#TYPEt">t</a> -> 'value <a href="Js.html#TYPEundefined">Js.undefined</a></code></pre><div class="info ">
<div class="not-examples">
<code class="code">maxUndefined s0</code><br>
<div class="tag"> <li><b>Returns</b> the maximum element of the collection, <code class="code">undefined</code> if it is empty</li>
</div>
</div>
</div>
<pre><span id="VALget"><span class="keyword">val</span> get</span> : <code class="type">('value, 'id) <a href="Belt_Set.html#TYPEt">t</a> -> 'value -> 'value option</code></pre><div class="info ">
<div class="not-examples">
<code class="code">get s0 k</code><br>
<div class="tag"> <li><b>Returns</b> the reference of the value <code class="code">k'</code> which is equivalent to <code class="code">k</code>
using the comparator specifiecd by this collection, <code class="code">None</code>
if it does not exist</li>
</div>
</div>
</div>
<pre><span id="VALgetUndefined"><span class="keyword">val</span> getUndefined</span> : <code class="type">('value, 'id) <a href="Belt_Set.html#TYPEt">t</a> -> 'value -> 'value <a href="Js.html#TYPEundefined">Js.undefined</a></code></pre><div class="info ">
<div class="not-examples">
<b>See</b> <a href="Belt_Set.html#VALget"><code class="code">Belt_Set.get</code></a><br>
</div>
</div>
<pre><span id="VALgetExn"><span class="keyword">val</span> getExn</span> : <code class="type">('value, 'id) <a href="Belt_Set.html#TYPEt">t</a> -> 'value -> 'value</code></pre><div class="info ">
<div class="not-examples">
<b>See</b> <a href="Belt_Set.html#VALget"><code class="code">Belt_Set.get</code></a>
<b>raise</b> if not exist<br>
</div>
</div>
<pre><span id="VALsplit"><span class="keyword">val</span> split</span> : <code class="type">('value, 'id) <a href="Belt_Set.html#TYPEt">t</a> -><br> 'value -> (('value, 'id) <a href="Belt_Set.html#TYPEt">t</a> * ('value, 'id) <a href="Belt_Set.html#TYPEt">t</a>) * bool</code></pre><div class="info ">
<div class="not-examples">
<code class="code">split set ele</code><br>
<div class="tag"> <li><b>Returns</b> a tuple <code class="code">((smaller, larger), present)</code>,
<code class="code">present</code> is true when <code class="code">ele</code> exist in <code class="code">set</code></li>
</div>
</div>
</div>
<p>Below are operations only when better performance needed,
it is still safe API but more verbose.
More API will be exposed by needs</p>
<pre><span id="VALgetData"><span class="keyword">val</span> getData</span> : <code class="type">('value, 'id) <a href="Belt_Set.html#TYPEt">t</a> -> ('value, 'id) <a href="Belt_SetDict.html#TYPEt">Belt_SetDict.t</a></code></pre><div class="info ">
<div class="not-examples">
<code class="code">getData s0</code>
<b>Advanced usage only</b><br>
<div class="tag"> <li><b>Returns</b> the raw data (detached from comparator),
but its type is still manifested, so that user can pass identity directly
without boxing</li>
</div>
</div>
</div>
<pre><span id="VALgetId"><span class="keyword">val</span> getId</span> : <code class="type">('value, 'id) <a href="Belt_Set.html#TYPEt">t</a> -> ('value, 'id) <a href="Belt_Set.html#TYPEid">id</a></code></pre><div class="info ">
<div class="not-examples">
<code class="code">getId s0</code>
<b>Advanced usage only</b><br>
<div class="tag"> <li><b>Returns</b> the identity of <code class="code">s0</code></li>
</div>
</div>
</div>
<pre><span id="VALpackIdData"><span class="keyword">val</span> packIdData</span> : <code class="type">id:('value, 'id) <a href="Belt_Set.html#TYPEid">id</a> -><br> data:('value, 'id) <a href="Belt_SetDict.html#TYPEt">Belt_SetDict.t</a> -> ('value, 'id) <a href="Belt_Set.html#TYPEt">t</a></code></pre><div class="info ">
<div class="not-examples">
<code class="code">packIdData ~id ~data</code>
<b>Advanced usage only</b><br>
<div class="tag"> <li><b>Returns</b> the packed collection</li>
</div>
</div>
</div>
</body></html>