<title>Unboxed types and primitive operations</title>
<indexterm><primary>PrelGHC module</primary></indexterm>
- <para>This module defines all the types which are primitive in
- Glasgow Haskell, and the operations provided for them.</para>
+ <para>This chapter defines all the types which are primitive in
+ Glasgow Haskell, and the operations provided for them. You bring
+ them into scope by importing module <literal>PrelGHC</literal>.</para>
<para>Note: while you really can use this stuff to write fast code,
we generally find it a lot less painful, and more satisfying in the