init - add project files

tools/jet-2.12.0/internal/jet/numeric_expression.go

@@ -0,0 +1,15 @@
+package jet
+
+// NumericExpression is common interface for all integer and float expressions
+type NumericExpression interface {
+	Expression
+	numericExpression
+}
+
+type numericExpression interface {
+	isNumericExpression()
+}
+
+type numericExpressionImpl struct{}
+
+func (n *numericExpressionImpl) isNumericExpression() {}