1 files changed, 11 insertions, 0 deletions
diff --git a/src/include/open-axiom/token b/src/include/open-axiom/token
index 943d01cc..1d17f5de 100644
--- a/src/include/open-axiom/token
+++ b/src/include/open-axiom/token
@@ -72,6 +72,17 @@ namespace OpenAxiom {
 
    std::ostream& operator<<(std::ostream&, TokenValue);
 
+
+   enum class TokenIndex : uint32_t { };
+
+   constexpr TokenValue value(TokenIndex t) {
+      return TokenValue((uint32_t(t) & 0xFF000000) >> 24);
+   }
+
+   constexpr uint32_t index(TokenIndex t) {
+      return uint32_t(t) & 0x00FFFFFF;
+   }
+
    // Program text region, with a fragment.
    struct Region {
       FragmentCursor start;