module GHC -- all primops and primitive types.
\end{verbatim}
-\subsubsection[sec:mutable-array]{The @MutableArray@ interface}
+\subsubsection{The @MutableArray@ interface}
+\label{sec:mutable-array}
\index{MutableArray interface (GHC extensions)}
The @MutableArray@ interface defines a general set of operations over
thawArray :: Ix ix => Array ix elt -> ST s (MutableArray s ix elt)
\end{verbatim}
-\subsubsection[sec:byte-array]{The @ByteArray@ interface}
+\subsubsection{The @ByteArray@ interface}
+\label{sec:byte-array}
\index{ByteArray interface (GHC extensions)}
@ByteArray@s are chunks of immutable Haskell heap: