neo4j/graph: Optimize some services of `SequentialNodeCollection`.

[nit.git] / lib / symbol.nit

diff --git a/lib/symbol.nit b/lib/symbol.nit
index d268763..1e9fb67 100644 (file)
--- a/lib/symbol.nit
+++ b/lib/symbol.nit
@@ -31,7 +31,7 @@ end
 
 # A symbol is a unique immutable string
 class Symbol
-       var _string: String
+       private var string: String
        redef fun to_s do return _string.to_s
 
        # Only used by String::to_symbol