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-rw-r--r--src/nodes.cc3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/nodes.cc b/src/nodes.cc
index 390eac7..fac74a0 100644
--- a/src/nodes.cc
+++ b/src/nodes.cc
@@ -10,6 +10,9 @@ namespace SimpleParser {
OperandNode::OperandNode(double val):
value_(val) { }
+OperandNode::OperandNode(std::string identifier):
+ value_(42) { }
+
double OperandNode::solve() {
return this->value_;
}