/usr/web/sources/contrib/fernan/nhc98/docs/libs/Bit.html

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<center><h1>The NHC.Bit library</h1></center>

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This document describes the interface to the NHC.Bit library,
originally from the Haskell 1.3 library specification.

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<pre>
  module NHC.Bit where

  infixl  7 ^&amp;
  infixl  6 ^|
  infixl  5 `xor`
  infixl  8 ^&lt;&lt;
  infixl  8 ^&gt;&gt;
  infixl  8 `asr`
  infixl  8 `rol`
  infixl  8 `ror`

  class Integral a =&gt; Bits a where
      (^&)    :: a -&gt; a -&gt; a		-- bit-wise and
      (^|)    :: a -&gt; a -&gt; a		-- bit-wise or
      xor     :: a -&gt; a -&gt; a		-- bit-wise xor
      compl   :: a -&gt; a			-- bit-wise complement
      (^&lt;&lt;)   :: a -&gt; Int -&gt; a		-- left shift
      (^&gt;&gt;)   :: a -&gt; Int -&gt; a		-- right shift
      asr     :: a -&gt; Int -&gt; a		-- arithmetic right shift
      rol     :: a -&gt; Int -&gt; a		-- rotate left
      ror     :: a -&gt; Int -&gt; a		-- rotate right
      test    :: Int -&gt; a -&gt; Bool	-- report n'th bit
      set     :: Int -&gt; a -&gt; a		-- set n'th bit
      clear   :: Int -&gt; a -&gt; a		-- clean n'th bit
      bitSize :: a -&gt; Int		-- bit-width of type (not value)

  instance Bits Int where ...
</pre>

<hr>
<p>
The latest updates to these pages are available on the WWW from
<a href="http://www.cs.york.ac.uk/fp/nhc98/">
<tt>http://www.cs.york.ac.uk/fp/nhc98/</tt></a>

<p>
1998.03.26<br>
<a href="http://www.cs.york.ac.uk/fp/">
York Functional Programming Group</a><br>

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