From 55f586437b52bda32793a376f8ea5df9fb1b89e2 Mon Sep 17 00:00:00 2001
From: olpc user <olpc@xo-5d-f7-86.localdomain>
Date: Thu, 21 Nov 2019 17:31:16 -0500
Subject: helpers

---
 starts/meaning-vm/concept.hpp | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

(limited to 'starts/meaning-vm/concept.hpp')

diff --git a/starts/meaning-vm/concept.hpp b/starts/meaning-vm/concept.hpp
index ce76f5d..a2dcc2c 100644
--- a/starts/meaning-vm/concept.hpp
+++ b/starts/meaning-vm/concept.hpp
@@ -11,12 +11,14 @@ template <typename T> struct value;
 struct ref
 {
 	ref(concept *p) : ptr(p) { }
-	operator concept*() const { return ptr; }
+	concept* operator->() { return ptr; }
+	bool operator<(ref const & other) const { return ptr < other.ptr; }
 
 	// helper names
-	ref(std::string);
-	operator std::string();
+	ref(std::string const &);
 	ref(char const * str) : ref(std::string(str)) { }
+	value<std::string> & name() const;
+	operator const char *() const;
 
 	concept * ptr;
 };
@@ -24,7 +26,7 @@ struct ref
 struct concept
 {
 	// a concept is made of concept-typed links to other concepts
-	std::multimap<ref,ref,std::less<concept*>> links;
+	std::multimap<ref,ref> links;
 	using array = std::vector<ref>;
 
 	ref id();
-- 
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