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Callables.html
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<!-- Generated by javadoc (version 1.7.0_45) on Mon Dec 15 00:47:59 EST 2014 -->
<title>Callables</title>
<meta name="date" content="2014-12-15">
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<div class="subTitle">fj.control.parallel</div>
<h2 title="Class Callables" class="title">Class Callables</h2>
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<ul class="inheritance">
<li>java.lang.Object</li>
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<li>fj.control.parallel.Callables</li>
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<pre>public final class <span class="strong">Callables</span>
extends java.lang.Object</pre>
<div class="block">Monadic functions and conversion methods for java.util.concurrent.Callable.</div>
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<caption><span>Methods</span><span class="tabEnd"> </span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <A,B> java.util.concurrent.Callable<B></code></td>
<td class="colLast"><code><strong><a href="../../../fj/control/parallel/Callables.html#apply(java.util.concurrent.Callable, java.util.concurrent.Callable)">apply</a></strong>(java.util.concurrent.Callable<A> ca,
java.util.concurrent.Callable<<a href="../../../fj/F.html" title="class in fj">F</a><A,B>> cf)</code>
<div class="block">Performs function application within a callable (applicative functor pattern).</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <A,B> <a href="../../../fj/F.html" title="class in fj">F</a><<a href="../../../fj/F.html" title="class in fj">F</a><A,B>,<a href="../../../fj/F.html" title="class in fj">F</a><A,java.util.concurrent.Callable<B>>></code></td>
<td class="colLast"><code><strong><a href="../../../fj/control/parallel/Callables.html#arrow()">arrow</a></strong>()</code>
<div class="block">Provides a transformation from a function to a Callable-valued function that is equivalent to it.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <A,B,C> java.util.concurrent.Callable<C></code></td>
<td class="colLast"><code><strong><a href="../../../fj/control/parallel/Callables.html#bind(java.util.concurrent.Callable, java.util.concurrent.Callable, fj.F)">bind</a></strong>(java.util.concurrent.Callable<A> ca,
java.util.concurrent.Callable<B> cb,
<a href="../../../fj/F.html" title="class in fj">F</a><A,<a href="../../../fj/F.html" title="class in fj">F</a><B,C>> f)</code>
<div class="block">Binds the given function to the values in the given callables with a final join.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <A,B> java.util.concurrent.Callable<B></code></td>
<td class="colLast"><code><strong><a href="../../../fj/control/parallel/Callables.html#bind(java.util.concurrent.Callable, fj.F)">bind</a></strong>(java.util.concurrent.Callable<A> a,
<a href="../../../fj/F.html" title="class in fj">F</a><A,java.util.concurrent.Callable<B>> f)</code>
<div class="block">Binds the given function to the value in a Callable with a final join.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <A> <a href="../../../fj/F.html" title="class in fj">F</a><A,java.util.concurrent.Callable<A>></code></td>
<td class="colLast"><code><strong><a href="../../../fj/control/parallel/Callables.html#callable()">callable</a></strong>()</code>
<div class="block">Provides a transformation from a value to a Callable that completely preserves that value.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <A> java.util.concurrent.Callable<A></code></td>
<td class="colLast"><code><strong><a href="../../../fj/control/parallel/Callables.html#callable(A)">callable</a></strong>(A a)</code>
<div class="block">Returns a callable that completely preserves the argument.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <A> java.util.concurrent.Callable<A></code></td>
<td class="colLast"><code><strong><a href="../../../fj/control/parallel/Callables.html#callable(java.lang.Exception)">callable</a></strong>(java.lang.Exception e)</code>
<div class="block">Returns a callable that throws the given exception.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <A,B> <a href="../../../fj/F.html" title="class in fj">F</a><A,java.util.concurrent.Callable<B>></code></td>
<td class="colLast"><code><strong><a href="../../../fj/control/parallel/Callables.html#callable(fj.F)">callable</a></strong>(<a href="../../../fj/F.html" title="class in fj">F</a><A,B> f)</code>
<div class="block">Wraps a given function's return value in a Callable.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <A> <a href="../../../fj/F.html" title="class in fj">F</a><java.util.concurrent.Callable<A>,<a href="../../../fj/P1.html" title="class in fj">P1</a><<a href="../../../fj/data/Either.html" title="class in fj.data">Either</a><java.lang.Exception,A>>></code></td>
<td class="colLast"><code><strong><a href="../../../fj/control/parallel/Callables.html#either()">either</a></strong>()</code>
<div class="block">Returns a transformation from a Callable to an Either.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <A> <a href="../../../fj/P1.html" title="class in fj">P1</a><<a href="../../../fj/data/Either.html" title="class in fj.data">Either</a><java.lang.Exception,A>></code></td>
<td class="colLast"><code><strong><a href="../../../fj/control/parallel/Callables.html#either(java.util.concurrent.Callable)">either</a></strong>(java.util.concurrent.Callable<A> a)</code>
<div class="block">Turns the given Callable into either an exception or the value in the Callable.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <A,B> <a href="../../../fj/F.html" title="class in fj">F</a><java.util.concurrent.Callable<A>,java.util.concurrent.Callable<B>></code></td>
<td class="colLast"><code><strong><a href="../../../fj/control/parallel/Callables.html#fmap(fj.F)">fmap</a></strong>(<a href="../../../fj/F.html" title="class in fj">F</a><A,B> f)</code>
<div class="block">Lifts any function to a function on Callables.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <A> <a href="../../../fj/F.html" title="class in fj">F</a><<a href="../../../fj/P1.html" title="class in fj">P1</a><<a href="../../../fj/data/Either.html" title="class in fj.data">Either</a><java.lang.Exception,A>>,java.util.concurrent.Callable<A>></code></td>
<td class="colLast"><code><strong><a href="../../../fj/control/parallel/Callables.html#fromEither()">fromEither</a></strong>()</code>
<div class="block">Returns a transformation from an Either to a Callable.</div>
</td>
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<tr class="altColor">
<td class="colFirst"><code>static <A> java.util.concurrent.Callable<A></code></td>
<td class="colLast"><code><strong><a href="../../../fj/control/parallel/Callables.html#fromEither(fj.P1)">fromEither</a></strong>(<a href="../../../fj/P1.html" title="class in fj">P1</a><<a href="../../../fj/data/Either.html" title="class in fj.data">Either</a><java.lang.Exception,A>> e)</code>
<div class="block">Turns a given Either value into the equivalent Callable.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <A> <a href="../../../fj/F.html" title="class in fj">F</a><<a href="../../../fj/P1.html" title="class in fj">P1</a><<a href="../../../fj/data/Option.html" title="class in fj.data">Option</a><A>>,java.util.concurrent.Callable<A>></code></td>
<td class="colLast"><code><strong><a href="../../../fj/control/parallel/Callables.html#fromOption()">fromOption</a></strong>()</code>
<div class="block">Returns a transformation from an optional value to a Callable</div>
</td>
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<tr class="altColor">
<td class="colFirst"><code>static <A> java.util.concurrent.Callable<A></code></td>
<td class="colLast"><code><strong><a href="../../../fj/control/parallel/Callables.html#fromOption(fj.P1)">fromOption</a></strong>(<a href="../../../fj/P1.html" title="class in fj">P1</a><<a href="../../../fj/data/Option.html" title="class in fj.data">Option</a><A>> o)</code>
<div class="block">Turns an optional value into a Callable.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <A> java.util.concurrent.Callable<A></code></td>
<td class="colLast"><code><strong><a href="../../../fj/control/parallel/Callables.html#join(java.util.concurrent.Callable)">join</a></strong>(java.util.concurrent.Callable<java.util.concurrent.Callable<A>> a)</code>
<div class="block">Joins a Callable of a Callable with a bind operation.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <A,B,C> <a href="../../../fj/F.html" title="class in fj">F</a><java.util.concurrent.Callable<A>,<a href="../../../fj/F.html" title="class in fj">F</a><java.util.concurrent.Callable<B>,java.util.concurrent.Callable<C>>></code></td>
<td class="colLast"><code><strong><a href="../../../fj/control/parallel/Callables.html#liftM2(fj.F)">liftM2</a></strong>(<a href="../../../fj/F.html" title="class in fj">F</a><A,<a href="../../../fj/F.html" title="class in fj">F</a><B,C>> f)</code>
<div class="block">Promotes a function of arity-2 to a function on callables.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <A> <a href="../../../fj/F.html" title="class in fj">F</a><java.util.concurrent.Callable<A>,java.util.concurrent.Callable<A>></code></td>
<td class="colLast"><code><strong><a href="../../../fj/control/parallel/Callables.html#normalise()">normalise</a></strong>()</code>
<div class="block">A first-class version of the normalise function.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <A> java.util.concurrent.Callable<A></code></td>
<td class="colLast"><code><strong><a href="../../../fj/control/parallel/Callables.html#normalise(java.util.concurrent.Callable)">normalise</a></strong>(java.util.concurrent.Callable<A> a)</code>
<div class="block">Normalises the given Callable by calling it and wrapping the result in a new Callable.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <A> <a href="../../../fj/F.html" title="class in fj">F</a><java.util.concurrent.Callable<A>,<a href="../../../fj/P1.html" title="class in fj">P1</a><<a href="../../../fj/data/Option.html" title="class in fj.data">Option</a><A>>></code></td>
<td class="colLast"><code><strong><a href="../../../fj/control/parallel/Callables.html#option()">option</a></strong>()</code>
<div class="block">Returns a transformation from a Callable to an optional value.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <A> <a href="../../../fj/P1.html" title="class in fj">P1</a><<a href="../../../fj/data/Option.html" title="class in fj.data">Option</a><A>></code></td>
<td class="colLast"><code><strong><a href="../../../fj/control/parallel/Callables.html#option(java.util.concurrent.Callable)">option</a></strong>(java.util.concurrent.Callable<A> a)</code>
<div class="block">Turns the given Callable into an optional value.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <A> <a href="../../../fj/F.html" title="class in fj">F</a><<a href="../../../fj/data/List.html" title="class in fj.data">List</a><java.util.concurrent.Callable<A>>,java.util.concurrent.Callable<<a href="../../../fj/data/List.html" title="class in fj.data">List</a><A>>></code></td>
<td class="colLast"><code><strong><a href="../../../fj/control/parallel/Callables.html#sequence_()">sequence_</a></strong>()</code>
<div class="block">A first-class version of the sequence method.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <A> java.util.concurrent.Callable<<a href="../../../fj/data/List.html" title="class in fj.data">List</a><A>></code></td>
<td class="colLast"><code><strong><a href="../../../fj/control/parallel/Callables.html#sequence(fj.data.List)">sequence</a></strong>(<a href="../../../fj/data/List.html" title="class in fj.data">List</a><java.util.concurrent.Callable<A>> as)</code>
<div class="block">Turns a List of Callables into a single Callable of a List.</div>
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<h3>Methods inherited from class java.lang.Object</h3>
<code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li>
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<h4>callable</h4>
<pre>public static <A> java.util.concurrent.Callable<A> callable(A a)</pre>
<div class="block">Returns a callable that completely preserves the argument. The unit function for Callables.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>a</code> - A value to preserve in a Callable</dd>
<dt><span class="strong">Returns:</span></dt><dd>A Callable that yields the argument when called.</dd></dl>
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<h4>callable</h4>
<pre>public static <A> java.util.concurrent.Callable<A> callable(java.lang.Exception e)</pre>
<div class="block">Returns a callable that throws the given exception. The unit function for Callables.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>e</code> - The exception to throw when the Callable is called.</dd>
<dt><span class="strong">Returns:</span></dt><dd>A callable that always throws the given exception.</dd></dl>
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<h4>callable</h4>
<pre>public static <A> <a href="../../../fj/F.html" title="class in fj">F</a><A,java.util.concurrent.Callable<A>> callable()</pre>
<div class="block">Provides a transformation from a value to a Callable that completely preserves that value.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>A function from a value to a Callable that completely preserves that value.</dd></dl>
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<pre>public static <A,B> <a href="../../../fj/F.html" title="class in fj">F</a><A,java.util.concurrent.Callable<B>> callable(<a href="../../../fj/F.html" title="class in fj">F</a><A,B> f)</pre>
<div class="block">Wraps a given function's return value in a Callable.
The Kleisli arrow for Callables.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>f</code> - The function whose return value to wrap in a Callable.</dd>
<dt><span class="strong">Returns:</span></dt><dd>The equivalent function whose return value is wrapped in a Callable.</dd></dl>
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<pre>public static <A,B> <a href="../../../fj/F.html" title="class in fj">F</a><<a href="../../../fj/F.html" title="class in fj">F</a><A,B>,<a href="../../../fj/F.html" title="class in fj">F</a><A,java.util.concurrent.Callable<B>>> arrow()</pre>
<div class="block">Provides a transformation from a function to a Callable-valued function that is equivalent to it.
The first-class Kleisli arrow for Callables.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>A transformation from a function to the equivalent Callable-valued function.</dd></dl>
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<pre>public static <A,B> java.util.concurrent.Callable<B> bind(java.util.concurrent.Callable<A> a,
<a href="../../../fj/F.html" title="class in fj">F</a><A,java.util.concurrent.Callable<B>> f)</pre>
<div class="block">Binds the given function to the value in a Callable with a final join.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>a</code> - A value in a Callable to which to apply a function.</dd><dd><code>f</code> - A function to apply to the value in a Callable.</dd>
<dt><span class="strong">Returns:</span></dt><dd>The result of applying the function in the second argument to the value of the Callable in the first.</dd></dl>
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<pre>public static <A,B> <a href="../../../fj/F.html" title="class in fj">F</a><java.util.concurrent.Callable<A>,java.util.concurrent.Callable<B>> fmap(<a href="../../../fj/F.html" title="class in fj">F</a><A,B> f)</pre>
<div class="block">Lifts any function to a function on Callables.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>f</code> - A function to lift to a function on Callables.</dd>
<dt><span class="strong">Returns:</span></dt><dd>That function lifted to a function on Callables.</dd></dl>
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<pre>public static <A,B> java.util.concurrent.Callable<B> apply(java.util.concurrent.Callable<A> ca,
java.util.concurrent.Callable<<a href="../../../fj/F.html" title="class in fj">F</a><A,B>> cf)</pre>
<div class="block">Performs function application within a callable (applicative functor pattern).</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>ca</code> - The callable to which to apply a function.</dd><dd><code>cf</code> - The callable function to apply.</dd>
<dt><span class="strong">Returns:</span></dt><dd>A new callable after applying the given callable function to the first argument.</dd></dl>
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<pre>public static <A,B,C> java.util.concurrent.Callable<C> bind(java.util.concurrent.Callable<A> ca,
java.util.concurrent.Callable<B> cb,
<a href="../../../fj/F.html" title="class in fj">F</a><A,<a href="../../../fj/F.html" title="class in fj">F</a><B,C>> f)</pre>
<div class="block">Binds the given function to the values in the given callables with a final join.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>ca</code> - A given callable to bind the given function with.</dd><dd><code>cb</code> - A given callable to bind the given function with.</dd><dd><code>f</code> - The function to apply to the values in the given callables.</dd>
<dt><span class="strong">Returns:</span></dt><dd>A new callable after performing the map, then final join.</dd></dl>
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<pre>public static <A> java.util.concurrent.Callable<A> join(java.util.concurrent.Callable<java.util.concurrent.Callable<A>> a)</pre>
<div class="block">Joins a Callable of a Callable with a bind operation.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>a</code> - The Callable of a Callable to join.</dd>
<dt><span class="strong">Returns:</span></dt><dd>A new Callable that is the join of the given Callable.</dd></dl>
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<pre>public static <A,B,C> <a href="../../../fj/F.html" title="class in fj">F</a><java.util.concurrent.Callable<A>,<a href="../../../fj/F.html" title="class in fj">F</a><java.util.concurrent.Callable<B>,java.util.concurrent.Callable<C>>> liftM2(<a href="../../../fj/F.html" title="class in fj">F</a><A,<a href="../../../fj/F.html" title="class in fj">F</a><B,C>> f)</pre>
<div class="block">Promotes a function of arity-2 to a function on callables.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>f</code> - The function to promote.</dd>
<dt><span class="strong">Returns:</span></dt><dd>A function of arity-2 promoted to map over callables.</dd></dl>
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<pre>public static <A> java.util.concurrent.Callable<<a href="../../../fj/data/List.html" title="class in fj.data">List</a><A>> sequence(<a href="../../../fj/data/List.html" title="class in fj.data">List</a><java.util.concurrent.Callable<A>> as)</pre>
<div class="block">Turns a List of Callables into a single Callable of a List.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>as</code> - The list of callables to transform.</dd>
<dt><span class="strong">Returns:</span></dt><dd>A single callable for the given List.</dd></dl>
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<pre>public static <A> <a href="../../../fj/F.html" title="class in fj">F</a><<a href="../../../fj/data/List.html" title="class in fj.data">List</a><java.util.concurrent.Callable<A>>,java.util.concurrent.Callable<<a href="../../../fj/data/List.html" title="class in fj.data">List</a><A>>> sequence_()</pre>
<div class="block">A first-class version of the sequence method.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>A function from a List of Callables to a single Callable of a List.</dd></dl>
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<pre>public static <A> <a href="../../../fj/P1.html" title="class in fj">P1</a><<a href="../../../fj/data/Option.html" title="class in fj.data">Option</a><A>> option(java.util.concurrent.Callable<A> a)</pre>
<div class="block">Turns the given Callable into an optional value.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>a</code> - The callable to convert to an optional value.</dd>
<dt><span class="strong">Returns:</span></dt><dd>An optional value that yields the value in the Callable, or None if the Callable fails.</dd></dl>
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<pre>public static <A> <a href="../../../fj/F.html" title="class in fj">F</a><java.util.concurrent.Callable<A>,<a href="../../../fj/P1.html" title="class in fj">P1</a><<a href="../../../fj/data/Option.html" title="class in fj.data">Option</a><A>>> option()</pre>
<div class="block">Returns a transformation from a Callable to an optional value.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>a function that turns a Callable into an optional value.</dd></dl>
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<pre>public static <A> <a href="../../../fj/P1.html" title="class in fj">P1</a><<a href="../../../fj/data/Either.html" title="class in fj.data">Either</a><java.lang.Exception,A>> either(java.util.concurrent.Callable<A> a)</pre>
<div class="block">Turns the given Callable into either an exception or the value in the Callable.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>a</code> - The callable to convert to an Either value.</dd>
<dt><span class="strong">Returns:</span></dt><dd>Either the value in the given Callable, or the Exception with which the Callable fails.</dd></dl>
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<pre>public static <A> <a href="../../../fj/F.html" title="class in fj">F</a><java.util.concurrent.Callable<A>,<a href="../../../fj/P1.html" title="class in fj">P1</a><<a href="../../../fj/data/Either.html" title="class in fj.data">Either</a><java.lang.Exception,A>>> either()</pre>
<div class="block">Returns a transformation from a Callable to an Either.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>a function that turns a Callable into an Either.</dd></dl>
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<pre>public static <A> java.util.concurrent.Callable<A> fromEither(<a href="../../../fj/P1.html" title="class in fj">P1</a><<a href="../../../fj/data/Either.html" title="class in fj.data">Either</a><java.lang.Exception,A>> e)</pre>
<div class="block">Turns a given Either value into the equivalent Callable.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>e</code> - Either an exception or a value to wrap in a Callable</dd>
<dt><span class="strong">Returns:</span></dt><dd>A Callable equivalent to the given Either value.</dd></dl>
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<pre>public static <A> <a href="../../../fj/F.html" title="class in fj">F</a><<a href="../../../fj/P1.html" title="class in fj">P1</a><<a href="../../../fj/data/Either.html" title="class in fj.data">Either</a><java.lang.Exception,A>>,java.util.concurrent.Callable<A>> fromEither()</pre>
<div class="block">Returns a transformation from an Either to a Callable.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>a function that turns an Either into a Callable.</dd></dl>
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<pre>public static <A> java.util.concurrent.Callable<A> fromOption(<a href="../../../fj/P1.html" title="class in fj">P1</a><<a href="../../../fj/data/Option.html" title="class in fj.data">Option</a><A>> o)</pre>
<div class="block">Turns an optional value into a Callable.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>o</code> - An optional value to turn into a Callable.</dd>
<dt><span class="strong">Returns:</span></dt><dd>A Callable that yields some value or throws an exception in the case of no value.</dd></dl>
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<pre>public static <A> <a href="../../../fj/F.html" title="class in fj">F</a><<a href="../../../fj/P1.html" title="class in fj">P1</a><<a href="../../../fj/data/Option.html" title="class in fj.data">Option</a><A>>,java.util.concurrent.Callable<A>> fromOption()</pre>
<div class="block">Returns a transformation from an optional value to a Callable</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>A function that turns an optional value into a Callable that yields some value
or throws an exception in the case of no value.</dd></dl>
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<pre>public static <A> java.util.concurrent.Callable<A> normalise(java.util.concurrent.Callable<A> a)</pre>
<div class="block">Normalises the given Callable by calling it and wrapping the result in a new Callable.
If the given Callable throws an Exception, the resulting Callable will throw that same Exception.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>a</code> - The callable to evaluate.</dd>
<dt><span class="strong">Returns:</span></dt><dd>A normalised callable that just returns the result of calling the given callable.</dd></dl>
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<pre>public static <A> <a href="../../../fj/F.html" title="class in fj">F</a><java.util.concurrent.Callable<A>,java.util.concurrent.Callable<A>> normalise()</pre>
<div class="block">A first-class version of the normalise function.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>A function that normalises the given Callable by calling it and wrapping the result in a new Callable.</dd></dl>
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