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-rw-r--r--qtmips_gui/fixmatheval.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/qtmips_gui/fixmatheval.h b/qtmips_gui/fixmatheval.h
index 7712530..3312bfa 100644
--- a/qtmips_gui/fixmatheval.h
+++ b/qtmips_gui/fixmatheval.h
@@ -112,7 +112,7 @@ class FmeExpression : public FmeNode {
public:
FmeExpression();
virtual ~FmeExpression();
- virtual bool parse(QString &expression, QString &error);
+ virtual bool parse(const QString &expression, QString &error);
virtual bool eval(FmeValue &value, FmeSymbolDb *symdb, QString &error) override;
virtual bool insert(FmeNode *node) override;
virtual FmeNode *child() override;