<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html> <head> <!-- Generated by HsColour, http://www.cs.york.ac.uk/fp/darcs/hscolour/ --> <title>GHC/Magic.hs</title> <link type='text/css' rel='stylesheet' href='hscolour.css' /> </head> <body> <pre><a name="line-1"></a><span class='hs-comment'>-----------------------------------------------------------------------------</span> <a name="line-2"></a><span class='hs-comment'>-- |</span> <a name="line-3"></a><span class='hs-comment'>-- Module : GHC.Magic</span> <a name="line-4"></a><span class='hs-comment'>-- Copyright : (c) The University of Glasgow 2009</span> <a name="line-5"></a><span class='hs-comment'>-- License : see libraries/ghc-prim/LICENSE</span> <a name="line-6"></a><span class='hs-comment'>--</span> <a name="line-7"></a><span class='hs-comment'>-- Maintainer : cvs-ghc@haskell.org</span> <a name="line-8"></a><span class='hs-comment'>-- Stability : internal</span> <a name="line-9"></a><span class='hs-comment'>-- Portability : non-portable (GHC Extensions)</span> <a name="line-10"></a><span class='hs-comment'>--</span> <a name="line-11"></a><span class='hs-comment'>-- GHC magic.</span> <a name="line-12"></a><span class='hs-comment'>-- Use GHC.Exts from the base package instead of importing this</span> <a name="line-13"></a><span class='hs-comment'>-- module directly.</span> <a name="line-14"></a><span class='hs-comment'>--</span> <a name="line-15"></a><span class='hs-comment'>-----------------------------------------------------------------------------</span> <a name="line-16"></a> <a name="line-17"></a><span class='hs-comment'>{-# OPTIONS_GHC -XNoImplicitPrelude #-}</span> <a name="line-18"></a> <a name="line-19"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>GHC</span><span class='hs-varop'>.</span><span class='hs-conid'>Magic</span> <span class='hs-layout'>(</span><span class='hs-varid'>inline</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span> <a name="line-20"></a> <a name="line-21"></a><a name="inline"></a><span class='hs-comment'>-- | The call '(inline f)' reduces to 'f', but 'inline' has a BuiltInRule</span> <a name="line-22"></a><span class='hs-comment'>-- that tries to inline 'f' (if it has an unfolding) unconditionally</span> <a name="line-23"></a><span class='hs-comment'>-- The 'NOINLINE' pragma arranges that inline only gets inlined (and</span> <a name="line-24"></a><span class='hs-comment'>-- hence eliminated) late in compilation, after the rule has had</span> <a name="line-25"></a><span class='hs-comment'>-- a good chance to fire.</span> <a name="line-26"></a><span class='hs-definition'>inline</span> <span class='hs-keyglyph'>::</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>a</span> <a name="line-27"></a><span class='hs-comment'>{-# NOINLINE[0] inline #-}</span> <a name="line-28"></a><span class='hs-definition'>inline</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>x</span> <a name="line-29"></a> </pre></body> </html>