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author | Nguyễn Gia Phong <vn.mcsinyx@gmail.com> | 2019-12-15 10:34:58 +0700 |
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committer | Nguyễn Gia Phong <vn.mcsinyx@gmail.com> | 2019-12-15 15:00:00 +0700 |
commit | 67393f42f41ab92219deb549f711121c4dab845b (patch) | |
tree | ebd0eb6c8a3d3bd69937312179aeaf273ea29c80 /usth/ICT2.2/labwork/3/C++/shopping-cart.h | |
parent | b38d9929f7a015b56b847fde7e83f814f354497e (diff) | |
download | cp-67393f42f41ab92219deb549f711121c4dab845b.tar.gz |
[usth/ICT2.2] Object Oriented Programming
Diffstat (limited to 'usth/ICT2.2/labwork/3/C++/shopping-cart.h')
-rw-r--r-- | usth/ICT2.2/labwork/3/C++/shopping-cart.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/usth/ICT2.2/labwork/3/C++/shopping-cart.h b/usth/ICT2.2/labwork/3/C++/shopping-cart.h new file mode 100644 index 0000000..c1450e7 --- /dev/null +++ b/usth/ICT2.2/labwork/3/C++/shopping-cart.h @@ -0,0 +1,16 @@ +#include <string> +#include <unordered_map> + +using namespace std; + +class ShoppingCart +{ + // quite of an improvement over the Java version + unordered_map<string, int> contents; +public: + void add_to_cart (string item) { contents[item]++; } + void remove_from_cart (string item) { contents[item] = 0; } + // to make this class useful anyhow + int count (string item) { return contents[item]; } + void check_out () { contents.clear (); } +}; |