X-Git-Url: https://git.stderr.nl/gitweb?p=matthijs%2Fmaster-project%2Freport.git;a=blobdiff_plain;f=Chapters%2FHardwareDescription.tex;h=24afd8965d42722bb87114f6453bd049dbac84f9;hp=ef2533e3bf80f008601ae9b5a69a47cd22209ccd;hb=b92b16b7e4ab854699bcd151bad0be7c5d73c0ae;hpb=1b9665a243799137f9b3f2b04e13489ba6f66e5e

diff --git a/Chapters/HardwareDescription.tex b/Chapters/HardwareDescription.tex
index ef2533e..24afd89 100644
--- a/Chapters/HardwareDescription.tex
+++ b/Chapters/HardwareDescription.tex
@@ -342,6 +342,7 @@ and3 a b c = and (and a b) c
         types) and just one field (which are technically not a product).
       \stopdesc
       \startdesc{Enumerated types}
+        \defref{enumerated types}
         An enumerated type is an algebraic datatype with multiple constructors, but
         none of them have fields. This is essentially a way to get an
         enum-like type containing alternatives.
@@ -788,7 +789,7 @@ acc in s = (s', out)
         variables are used by a function can be completely determined from its
         type signature (as opposed to the stream approach, where a function
         looks the same from the outside, regardless of what state variables it
-        uses (or whether it's stateful at all).
+        uses or whether it's stateful at all).
 
         This approach is the one chosen for Cλash and will be examined more
         closely below.
@@ -803,7 +804,9 @@ acc in s = (s', out)
         has to somehow know the current state for these called functions. The
         only way to do this, is to put these \emph{substates} inside the
         caller's state. This means that a function's state is the sum of the
-        states of all functions it calls, and its own state.
+        states of all functions it calls, and its own state. This sum
+        can be obtained using something simple like a tuple, or possibly
+        custom algebraic types for clarity.
 
         This also means that the type of a function (at least the "state"
         part) is dependent on its own implementation and of the functions it
@@ -882,7 +885,7 @@ acc in s = (s', out)
 
         \todo{Sidenote: One or more state arguments?}
 
-    \subsection{Explicit state annotation}
+    \subsection[sec:description:stateann]{Explicit state annotation}
       To make our stateful descriptions unambigious and easier to translate,
       we need some way for the developer to describe which arguments and
       results are intended to become stateful.
@@ -1019,3 +1022,5 @@ acc in s = (s', out)
 
   Due to these complications and limited time available, we leave other forms
   of recursion as future work as well.
+
+% vim: set sw=2 sts=2 expandtab: