From dc2779f5a7ceb226620f39e728b73b028cb17c10 Mon Sep 17 00:00:00 2001
From: olpc user <olpc@xo-5d-f7-86.localdomain>
Date: Thu, 26 Dec 2019 08:26:40 -0800
Subject: start closing habit starts in level2

---
 starts/meaning-vm/level-1/sugar.cpp   |  1 +
 starts/meaning-vm/level-2/baseref.hpp | 13 +++++++------
 starts/meaning-vm/level-2/habits.cpp  | 15 ++++++++++++++-
 starts/meaning-vm/level-2/habits.hpp  | 10 ++++++++++
 starts/meaning-vm/level-2/level-2.hpp |  1 +
 starts/meaning-vm/level2.cpp          |  9 +++++++++
 6 files changed, 42 insertions(+), 7 deletions(-)
 create mode 100644 starts/meaning-vm/level-2/habits.hpp
 create mode 100644 starts/meaning-vm/level2.cpp

(limited to 'starts')

diff --git a/starts/meaning-vm/level-1/sugar.cpp b/starts/meaning-vm/level-1/sugar.cpp
index 025c68e..8585387 100644
--- a/starts/meaning-vm/level-1/sugar.cpp
+++ b/starts/meaning-vm/level-1/sugar.cpp
@@ -10,6 +10,7 @@ using namespace concepts;
 namespace intellect {
 namespace level1 {
 
+	// no way to specify allocator
 ref a(ref group)
 {
 	static unsigned long long gid = 0;
diff --git a/starts/meaning-vm/level-2/baseref.hpp b/starts/meaning-vm/level-2/baseref.hpp
index 8fbcc91..644f4b8 100644
--- a/starts/meaning-vm/level-2/baseref.hpp
+++ b/starts/meaning-vm/level-2/baseref.hpp
@@ -1,10 +1,8 @@
 #pragma once
 
 #include "common.hpp"
-
 #include "funcs.hpp"
-
-#include "../level-1/common.hpp"
+#include "../level-1/baseref.hpp"
 
 #include <functional>
 
@@ -21,10 +19,13 @@ struct baseref : public level1::baseref<ref>
 
 	template <typename... Refs>
 	ref operator()(ref first, Refs... rest) { return level2::dohabit(self, {first, rest...}); }
-	template <typename... Pairs>
-	ref operator()(std::initializer_list<ref> first, Pairs... rest) { return level2::dohabit(self, {first, rest...}); }
-
+	ref operator()(std::initializer_list<std::initializer_list<ref>> pairs) { return level2::dohabit(self, pairs); }
 	ref operator()() { return level2::dohabit(self); }
+
+	template <typename... Refs>
+	ref act(ref habit, Refs... rest) { return level2::dohabit(habit, {self, rest...}); }
+
+	void replace(ref other) { *self.ptr() = *other.ptr(); }
 };
 
 }
diff --git a/starts/meaning-vm/level-2/habits.cpp b/starts/meaning-vm/level-2/habits.cpp
index 13589cc..dfb9014 100644
--- a/starts/meaning-vm/level-2/habits.cpp
+++ b/starts/meaning-vm/level-2/habits.cpp
@@ -2,7 +2,9 @@
 #include "../level-1/sugar.hpp"
 #include "sugar.hpp"
 
-using namespace intellect::level2;
+namespace intellect {
+namespace level2 {
+
 int createhabits()
 {
 	decls(link, source, type, target);
@@ -375,3 +377,14 @@ int createhabits()
 	});
 	return 0;
 }
+
+void ensurehabitscreated()
+{
+	static int sentinel = createhabits();
+	(void)(sentinel);
+}
+
+static int sentinel = (ensurehabitscreated(), 1);
+
+}
+}
diff --git a/starts/meaning-vm/level-2/habits.hpp b/starts/meaning-vm/level-2/habits.hpp
new file mode 100644
index 0000000..0bff7f7
--- /dev/null
+++ b/starts/meaning-vm/level-2/habits.hpp
@@ -0,0 +1,10 @@
+#include "common.hpp"
+
+namespace intellect {
+namespace level2 {
+
+void ensurehabitscreated(); // for running from static code, for construction order
+
+
+}
+}
diff --git a/starts/meaning-vm/level-2/level-2.hpp b/starts/meaning-vm/level-2/level-2.hpp
index 7c7dd9a..88b4474 100644
--- a/starts/meaning-vm/level-2/level-2.hpp
+++ b/starts/meaning-vm/level-2/level-2.hpp
@@ -4,3 +4,4 @@
 #include "concepts.hpp"
 #include "sugar.hpp"
 #include "ref.hpp"
+#include "habits.hpp"
diff --git a/starts/meaning-vm/level2.cpp b/starts/meaning-vm/level2.cpp
new file mode 100644
index 0000000..c04a5cc
--- /dev/null
+++ b/starts/meaning-vm/level2.cpp
@@ -0,0 +1,9 @@
+#include "level-2/level-2.hpp"
+
+#include <iostream>
+
+using namespace intellect::level2;
+
+int main()
+{
+}
-- 
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