Listing 6.12 - Compile Error

[ITHelpDec]

Consider changing... https://github.com/anthonywilliams/ccia_code_samples/blob/6e7ae1d66dbd2e8f1ad18a5cf5c6d25a37b92388/listings/listing_6.12.cpp#L20 ...to... https://github.com/anthonywilliams/ccia_code_samples/blob/42a7c506c2d6af046154c86f10a8b7f7390b6bb9/listings/listing_6.12.cpp#L20

typedef bucket_iterator does not exist in the scope of our map class, but of the sub-class bucket_type.

We must declare .get_map() as a friend within bucket_type to allow access to its private members.

// ...
private:
    class bucket_type {
        friend std::map<K, V> ts::map<K, V>::get_map() const;
    public:
// ...