From 9c4085e28cdae2c287fb8d3d5e0ddcc11ebf8594 Mon Sep 17 00:00:00 2001
From: fred <fred>
Date: Mon, 30 Dec 1996 12:57:54 +0000
Subject: [PATCH] flower-1.0.18

---
 flower/iterate.hh |  6 ++++++
 flower/list.hh    | 10 ++++++----
 flower/list.inl   |  4 ++--
 flower/plist.hh   |  8 ++++++--
 4 files changed, 20 insertions(+), 8 deletions(-)
 create mode 100644 flower/iterate.hh

diff --git a/flower/iterate.hh b/flower/iterate.hh
new file mode 100644
index 0000000000..adff7792bb
--- /dev/null
+++ b/flower/iterate.hh
@@ -0,0 +1,6 @@
+
+#define iterator(set)		typeof((set).top())
+
+// should use top()
+#define iter_top(set,var)	iterator(set) var(set)
+
diff --git a/flower/list.hh b/flower/list.hh
index 117e1862e4..f49b5d7850 100644
--- a/flower/list.hh
+++ b/flower/list.hh
@@ -16,11 +16,13 @@ class List
     List();    
     virtual ~List();
 	
-    Cursor<T> bottom();
-
     int size() const;
-    Cursor<T> top();
-    void OK() const; 
+
+    Cursor<T> bottom() const;	// const sucks..
+    Cursor<T> top() const;
+
+    void OK() const;		// check list
+    
  protected:
     friend class Cursor<T>;
     friend class Link<T>;
diff --git a/flower/list.inl b/flower/list.inl
index c3ee7e2948..df0687b7c8 100644
--- a/flower/list.inl
+++ b/flower/list.inl
@@ -39,7 +39,7 @@ List<T>::size() const
 
 template<class T>
 inline Cursor<T>
-List<T>::top()
+List<T>::top()const
 {
     return Cursor<T>( *this, top_ );
 }
@@ -47,7 +47,7 @@ List<T>::top()
 
 template<class T>
 inline Cursor<T>
-List<T>::bottom()
+List<T>::bottom()const
 {
     return Cursor<T>( *this, bottom_ );
 }
diff --git a/flower/plist.hh b/flower/plist.hh
index 99be3ff811..bac9f7bf02 100644
--- a/flower/plist.hh
+++ b/flower/plist.hh
@@ -14,8 +14,12 @@ template<class T>
 class PointerList : public List<void *>
 {
  public:
-    PCursor<T> top() {  return PCursor<T> (List<void*>::top()); }
-    PCursor<T> bottom() { return PCursor<T> (List<void*>::bottom()); }
+    PCursor<T> top() const{
+	return PCursor<T> (List<void*>::top());
+    }
+    PCursor<T> bottom() const {
+	return PCursor<T> (List<void*>::bottom());
+    }
     PCursor<T> find(T) const;
     void concatenate(PointerList<T> const &s) { List<void*>::concatenate(s); }
     PointerList() {}
-- 
2.39.5