<html xmlns="http://www.w3.org/1999/xhtml" ><head ><link rel="stylesheet" type="text/css" href="style.css" /><script type="text/javascript" src="highlight.js" ></script ></head ><body ><pre ><span class="hs-pragma" >{-# LANGUAGE CPP #-}</span ><span > </span ><span id="line-2" ></span ><span class="hs-keyword" >module</span ><span > </span ><span class="hs-identifier" >CPP</span ><span > </span ><span class="hs-keyword" >where</span ><span class="hs-cpp" > #define SOMETHING1 </span ><span > </span ><span id="line-6" ></span ><span class="annot" ><a href="CPP.html#foo" ><span class="hs-identifier hs-type" >foo</span ></a ></span ><span > </span ><span class="hs-glyph" >::</span ><span > </span ><span class="annot" ><span class="hs-identifier hs-type" >String</span ></span ><span > </span ><span id="line-7" ></span ><span id="foo" ><span class="annot" ><span class="annottext" >foo :: String </span ><a href="CPP.html#foo" ><span class="hs-identifier hs-var hs-var" >foo</span ></a ></span ></span ><span > </span ><span class="hs-glyph" >=</span ><span > </span ><span class="hs-comment" >{- " single quotes are fine in block comments {- nested block comments are fine -} -}</span ><span > </span ><span class="annot" ><span class="annottext" >String </span ><span class="hs-string" >"foo"</span ></span ><span class="hs-cpp" > #define SOMETHING2 </span ><span > </span ><span id="line-13" ></span ><span class="annot" ><a href="CPP.html#bar" ><span class="hs-identifier hs-type" >bar</span ></a ></span ><span > </span ><span class="hs-glyph" >::</span ><span > </span ><span class="annot" ><span class="hs-identifier hs-type" >String</span ></span ><span > </span ><span id="line-14" ></span ><span id="bar" ><span class="annot" ><span class="annottext" >bar :: String </span ><a href="CPP.html#bar" ><span class="hs-identifier hs-var hs-var" >bar</span ></a ></span ></span ><span > </span ><span class="hs-glyph" >=</span ><span > </span ><span class="annot" ><span class="annottext" >String </span ><span class="hs-string" >"block comment in a string is not a comment {- "</span ></span ><span class="hs-cpp" > #define SOMETHING3 </span ><span > </span ><span id="line-18" ></span ><span class="hs-comment" >-- " single quotes are fine in line comments</span ><span > </span ><span id="line-19" ></span ><span class="hs-comment" >-- {- unclosed block comments are fine in line comments</span ><span > </span ><span id="line-20" ></span ><span > </span ><span id="line-21" ></span ><span class="hs-comment" >-- Multiline CPP is also fine</span ><span class="hs-cpp" > #define FOO\ 1 </span ><span > </span ><span id="line-25" ></span ><span class="annot" ><a href="CPP.html#baz" ><span class="hs-identifier hs-type" >baz</span ></a ></span ><span > </span ><span class="hs-glyph" >::</span ><span > </span ><span class="annot" ><span class="hs-identifier hs-type" >String</span ></span ><span > </span ><span id="line-26" ></span ><span id="baz" ><span class="annot" ><span class="annottext" >baz :: String </span ><a href="CPP.html#baz" ><span class="hs-identifier hs-var hs-var" >baz</span ></a ></span ></span ><span > </span ><span class="hs-glyph" >=</span ><span > </span ><span class="annot" ><span class="annottext" >String </span ><span class="hs-string" >"line comment in a string is not a comment --"</span ></span ><span > </span ><span id="line-27" ></span ></pre ></body ></html >