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<html xmlns="http://www.w3.org/1999/xhtml"
><head
  ><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"
     /><title
    >Operators</title
    ><link href="#" rel="stylesheet" type="text/css" title="Ocean"
     /><script src="haddock-util.js" type="text/javascript"
    ></script
    ><script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.0/MathJax.js?config=TeX-AMS-MML_HTMLorMML" type="text/javascript"
    ></script
    ><script type="text/javascript"
    >//
window.onload = function () {pageLoad();};
//
</script
    ></head
  ><body
  ><div id="package-header"
    ><ul class="links" id="page-menu"
      ><li
	><a href="#"
	  >Contents</a
	  ></li
	><li
	><a href="#"
	  >Index</a
	  ></li
	></ul
      ><p class="caption empty"
      ></p
      ></div
    ><div id="content"
    ><div id="module-header"
      ><table class="info"
	><tr
	  ><th
	    >Safe Haskell</th
	    ><td
	    >Safe</td
	    ></tr
	  ></table
	><p class="caption"
	>Operators</p
	></div
      ><div id="description"
      ><p class="caption"
	>Description</p
	><div class="doc"
	><p
	  >Test operators with or without fixity declarations</p
	  ></div
	></div
      ><div id="synopsis"
      ><p id="control.syn" class="caption expander" onclick="toggleSection('syn')"
	>Synopsis</p
	><ul id="section.syn" class="hide" onclick="toggleSection('syn')"
	><li class="src short"
	  ><a href="#"
	    >(+-)</a
	    > :: a -&gt; a -&gt; a</li
	  ><li class="src short"
	  ><a href="#"
	    >(*/)</a
	    > :: a -&gt; a -&gt; a</li
	  ><li class="src short"
	  ><a href="#"
	    >foo</a
	    > :: a -&gt; a -&gt; a</li
	  ><li class="src short"
	  ><span class="keyword"
	    >data</span
	    > <a href="#"
	    >Foo</a
	    ><ul class="subs"
	    ><li
	      >= <a href="#"
		>Foo</a
		> <a href="#"
		>`Bar`</a
		> <a href="#"
		>Foo</a
		></li
	      ><li
	      >| <a href="#"
		>Foo</a
		> <a href="#"
		>:-</a
		> <a href="#"
		>Foo</a
		></li
	      ></ul
	    ></li
	  ><li class="src short"
	  ><span class="keyword"
	    >pattern</span
	    > <a href="#"
	    >(:+)</a
	    > :: <span class="keyword"
	    >forall</span
	    > a. a -&gt; a -&gt; [a]</li
	  ><li class="src short"
	  ><span class="keyword"
	    >data</span
	    > a <a href="#"
	    >&lt;-&gt;</a
	    > b <span class="keyword"
	    >where</span
	    ><ul class="subs"
	    ><li
	      ><a href="#"
		>(:&lt;-&gt;)</a
		> :: a -&gt; b -&gt; a <a href="#"
		>&lt;-&gt;</a
		> b</li
	      ></ul
	    ></li
	  ><li class="src short"
	  ><span class="keyword"
	    >type family</span
	    > a <a href="#"
	    >++</a
	    > b</li
	  ><li class="src short"
	  ><span class="keyword"
	    >data family</span
	    > a <a href="#"
	    >**</a
	    > b</li
	  ><li class="src short"
	  ><span class="keyword"
	    >class</span
	    > a <a href="#"
	    >&gt;&lt;&gt;</a
	    > b | a -&gt; b <span class="keyword"
	    >where</span
	    ><ul class="subs"
	    ><li
	      ><span class="keyword"
		>type</span
		> a <a href="#"
		>&lt;&gt;&lt;</a
		> b :: <a href="#"
		>*</a
		></li
	      ><li
	      ><span class="keyword"
		>data</span
		> a <a href="#"
		>&gt;&lt;&lt;</a
		> b</li
	      ></ul
	    ></li
	  ><li class="src short"
	  ><span class="keyword"
	    >type</span
	    > <a href="#"
	    >(&gt;-&lt;)</a
	    > a b = a <a href="#"
	    >&lt;-&gt;</a
	    > b</li
	  ></ul
	></div
      ><div id="interface"
      ><h1
	>Documentation</h1
	><div class="top"
	><p class="src"
	  ><a id="v:-43--45-" class="def"
	    >(+-)</a
	    > :: a -&gt; a -&gt; a <a href="#" class="selflink"
	    >#</a
	    ></p
	  ><div class="doc"
	  ><p
	    >Operator with no fixity</p
	    ></div
	  ></div
	><div class="top"
	><p class="src"
	  ><a id="v:-42--47-" class="def"
	    >(*/)</a
	    > :: a -&gt; a -&gt; a <span class="fixity"
	    >infixr 7</span
	    ><span class="rightedge"
	    ></span
	    > <a href="#" class="selflink"
	    >#</a
	    ></p
	  ><div class="doc"
	  ><p
	    >Operator with infixr 7</p
	    ></div
	  ></div
	><div class="top"
	><p class="src"
	  ><a id="v:foo" class="def"
	    >foo</a
	    > :: a -&gt; a -&gt; a <span class="fixity"
	    >infixl 3</span
	    ><span class="rightedge"
	    ></span
	    > <a href="#" class="selflink"
	    >#</a
	    ></p
	  ><div class="doc"
	  ><p
	    >Named function with infixl 3</p
	    ></div
	  ></div
	><div class="top"
	><p class="src"
	  ><span class="keyword"
	    >data</span
	    > <a id="t:Foo" class="def"
	    >Foo</a
	    > <a href="#" class="selflink"
	    >#</a
	    ></p
	  ><div class="doc"
	  ><p
	    >Data type with operator constructors</p
	    ></div
	  ><div class="subs constructors"
	  ><p class="caption"
	    >Constructors</p
	    ><table
	    ><tr
	      ><td class="src"
		><a href="#"
		  >Foo</a
		  > <a id="v:Bar" class="def"
		  >`Bar`</a
		  > <a href="#"
		  >Foo</a
		  > <span class="fixity"
		  >infixl 3</span
		  ><span class="rightedge"
		  ></span
		  ></td
		><td class="doc"
		><p
		  >Has infixl 3</p
		  ></td
		></tr
	      ><tr
	      ><td class="src"
		><a href="#"
		  >Foo</a
		  > <a id="v::-45-" class="def"
		  >:-</a
		  > <a href="#"
		  >Foo</a
		  > <span class="fixity"
		  >infixr 5</span
		  ><span class="rightedge"
		  ></span
		  ></td
		><td class="doc"
		><p
		  >Has infixr 5</p
		  ></td
		></tr
	      ></table
	    ></div
	  ></div
	><div class="top"
	><p class="src"
	  ><span class="keyword"
	    >pattern</span
	    > <a id="v::-43-" class="def"
	    >(:+)</a
	    > :: <span class="keyword"
	    >forall</span
	    > a. a -&gt; a -&gt; [a] <span class="fixity"
	    >infixr 3</span
	    ><span class="rightedge"
	    ></span
	    > <a href="#" class="selflink"
	    >#</a
	    ></p
	  ><div class="doc"
	  ><p
	    >Pattern synonym, infixr 3</p
	    ></div
	  ></div
	><div class="top"
	><p class="src"
	  ><span class="keyword"
	    >data</span
	    > a <a id="t:-60--45--62-" class="def"
	    >&lt;-&gt;</a
	    > b <span class="keyword"
	    >where</span
	    > <span class="fixity"
	    >infixl 6</span
	    ><span class="rightedge"
	    ></span
	    > <a href="#" class="selflink"
	    >#</a
	    ></p
	  ><div class="doc"
	  ><p
	    >Type name, infixl 6 and GADT constructor</p
	    ></div
	  ><div class="subs constructors"
	  ><p class="caption"
	    >Constructors</p
	    ><table
	    ><tr
	      ><td class="src"
		><a id="v::-60--45--62-" class="def"
		  >(:&lt;-&gt;)</a
		  > :: a -&gt; b -&gt; a <a href="#"
		  >&lt;-&gt;</a
		  > b <span class="fixity"
		  >infixr 6</span
		  ><span class="rightedge"
		  ></span
		  ></td
		><td class="doc empty"
		></td
		></tr
	      ></table
	    ></div
	  ></div
	><div class="top"
	><p class="src"
	  ><span class="keyword"
	    >type family</span
	    > a <a id="t:-43--43-" class="def"
	    >++</a
	    > b <span class="fixity"
	    >infix 3</span
	    ><span class="rightedge"
	    ></span
	    > <a href="#" class="selflink"
	    >#</a
	    ></p
	  ><div class="doc"
	  ><p
	    >Type family with fixity</p
	    ></div
	  ></div
	><div class="top"
	><p class="src"
	  ><span class="keyword"
	    >data family</span
	    > a <a id="t:-42--42-" class="def"
	    >**</a
	    > b <span class="fixity"
	    >infix 9</span
	    ><span class="rightedge"
	    ></span
	    > <a href="#" class="selflink"
	    >#</a
	    ></p
	  ><div class="doc"
	  ><p
	    >Data family with fixity</p
	    ></div
	  ></div
	><div class="top"
	><p class="src"
	  ><span class="keyword"
	    >class</span
	    > a <a id="t:-62--60--62-" class="def"
	    >&gt;&lt;&gt;</a
	    > b | a -&gt; b <span class="keyword"
	    >where</span
	    > <span class="fixity"
	    >infixr 1</span
	    ><span class="rightedge"
	    ></span
	    > <a href="#" class="selflink"
	    >#</a
	    ></p
	  ><div class="doc"
	  ><p
	    >Class with fixity, including associated types</p
	    ></div
	  ><div class="subs minimal"
	  ><p class="caption"
	    >Minimal complete definition</p
	    ><p class="src"
	    ><a href="#"
	      >(&gt;&gt;&lt;)</a
	      >, <a href="#"
	      >(&lt;&lt;&gt;)</a
	      >, <a href="#"
	      >(**&gt;)</a
	      >, <a href="#"
	      >(**&lt;)</a
	      >, <a href="#"
	      >(&gt;**)</a
	      >, <a href="#"
	      >(&lt;**)</a
	      ></p
	    ></div
	  ><div class="subs associated-types"
	  ><p class="caption"
	    >Associated Types</p
	    ><p class="src"
	    ><span class="keyword"
	      >type</span
	      > a <a id="t:-60--62--60-" class="def"
	      >&lt;&gt;&lt;</a
	      > b :: <a href="#"
	      >*</a
	      > <span class="fixity"
	      >infixl 2</span
	      ><span class="rightedge"
	      ></span
	      > <a href="#" class="selflink"
	      >#</a
	      ></p
	    ><p class="src"
	    ><span class="keyword"
	      >data</span
	      > a <a id="t:-62--60--60-" class="def"
	      >&gt;&lt;&lt;</a
	      > b <span class="fixity"
	      >infixl 3</span
	      ><span class="rightedge"
	      ></span
	      > <a href="#" class="selflink"
	      >#</a
	      ></p
	    ></div
	  ><div class="subs methods"
	  ><p class="caption"
	    >Methods</p
	    ><p class="src"
	    ><a id="v:-62--62--60-" class="def"
	      >(&gt;&gt;&lt;)</a
	      > :: a -&gt; b -&gt; () <span class="fixity"
	      >infixr 4</span
	      ><span class="rightedge"
	      ></span
	      > <a href="#" class="selflink"
	      >#</a
	      ></p
	    ><p class="src"
	    ><a id="v:-60--60--62-" class="def"
	      >(&lt;&lt;&gt;)</a
	      > :: a -&gt; b -&gt; () <span class="fixity"
	      >infixl 5</span
	      ><span class="rightedge"
	      ></span
	      > <a href="#" class="selflink"
	      >#</a
	      ></p
	    ><p class="src"
	    ><a id="v:-42--42--62-" class="def"
	      >(**&gt;)</a
	      > :: a -&gt; a -&gt; () <span class="fixity"
	      >infixr 8</span
	      ><span class="rightedge"
	      ></span
	      > <a href="#" class="selflink"
	      >#</a
	      ></p
	    ><div class="doc"
	    ><p
	      >Multiple fixities</p
	      ></div
	    ><p class="src"
	    ><a id="v:-42--42--60-" class="def"
	      >(**&lt;)</a
	      > :: a -&gt; a -&gt; () <span class="fixity"
	      >infixl 8</span
	      ><span class="rightedge"
	      ></span
	      > <a href="#" class="selflink"
	      >#</a
	      ></p
	    ><div class="doc"
	    ><p
	      >Multiple fixities</p
	      ></div
	    ><p class="src"
	    ><a id="v:-62--42--42-" class="def"
	      >(&gt;**)</a
	      > :: a -&gt; a -&gt; () <span class="fixity"
	      >infixr 8</span
	      ><span class="rightedge"
	      ></span
	      > <a href="#" class="selflink"
	      >#</a
	      ></p
	    ><div class="doc"
	    ><p
	      >Multiple fixities</p
	      ></div
	    ><p class="src"
	    ><a id="v:-60--42--42-" class="def"
	      >(&lt;**)</a
	      > :: a -&gt; a -&gt; () <span class="fixity"
	      >infixl 8</span
	      ><span class="rightedge"
	      ></span
	      > <a href="#" class="selflink"
	      >#</a
	      ></p
	    ><div class="doc"
	    ><p
	      >Multiple fixities</p
	      ></div
	    ></div
	  ></div
	><div class="top"
	><p class="src"
	  ><span class="keyword"
	    >type</span
	    > <a id="t:-62--45--60-" class="def"
	    >(&gt;-&lt;)</a
	    > a b = a <a href="#"
	    >&lt;-&gt;</a
	    > b <span class="fixity"
	    >infixl 6</span
	    ><span class="rightedge"
	    ></span
	    > <a href="#" class="selflink"
	    >#</a
	    ></p
	  ><div class="doc"
	  ><p
	    >Type synonym with fixity</p
	    ></div
	  ></div
	></div
      ></div
    ><div id="footer"
    ></div
    ></body
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>