Changes in src/SynTree/Expression.cc [79970ed:3906301]

File:

• src/SynTree/Expression.cc (modified) (1 diff)

src/SynTree/Expression.cc

@@ -541 +541 @@
 }
 
-std::ostream & operator<<( std::ostream & out, Expression * expr ) {
+std::ostream & operator<<( std::ostream & out, const Expression * expr ) {
         expr->print( out );
         return out;