Make name::pair char again

The plan is to represent scope/target-qualified variables as ':'-style pairs.

1 files changed, 2 insertions, 1 deletions

diff --git a/build2/name b/build2/name
index d0a115f..68fe9c7 100644
--- a/build2/name
+++ b/build2/name
@@ -33,7 +33,8 @@ namespace build2
     dir_path dir;
     string type;
     string value;
-    bool pair = false; // True if first half of a pair.
+    char pair = '\0'; // Pair character if first half of a pair. Can be used
+                      // as bool.
 
     name () = default;