Add class-member symbols to symbol table display.

src/name_analysis/symbol_table.rs

@@ -455,6 +455,9 @@ impl Display for SymbolTable {
             for symbol in scope.variable_symbols.values() {
                 writeln!(f, "{:#?}", symbol)?;
             }
+            for symbol in scope.class_member_symbols.values() {
+                writeln!(f, "{:#?}", symbol)?;
+            }
         }
         Ok(())
     }