1 files changed, 9 insertions, 0 deletions
diff --git a/src/sum.cpp b/src/sum.cpp
new file mode 100644
index 0000000..aa77d4e
--- /dev/null
+++ b/src/sum.cpp
@@ -0,0 +1,9 @@
+#include "include/sum.hpp"
+#include "include/syntax_tree.hpp"
+
+
+Sum::Sum(SyntaxTree *left, SyntaxTree *right) : SyntaxTree{left, right} {}
+
+float Sum::eval() const {
+  return left->eval() + left->eval();
+}