Update README.md

canchen257 · Mar 11, 2015 · 18b11e4 · 18b11e4
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commit 18b11e4
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/ch07/README.md b/ch07/README.md
@@ -208,11 +208,11 @@ struct X {
 ## Exercise 7.37
 
 ```cpp
-Sales_data first_item(cin);   // use Sales_data(std::istream &is)
+Sales_data first_item(cin);   // use Sales_data(std::istream &is) ; its value are up to your input.
 
 int main() {
-  Sales_data next;  // use Sales_data(std::string s = "")
-  Sales_data last("9-999-99999-9"); // use Sales_data(std::string s = "")
+  Sales_data next;  // use Sales_data(std::string s = ""); bookNo = "", cnt = 0, revenue = 0.0
+  Sales_data last("9-999-99999-9"); // use Sales_data(std::string s = ""); bookNo = "9-999-99999-9", cnt = 0, revenue = 0.0
 }
 ```