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Jidong Xiao
2023-11-09 16:29:58 -05:00
parent 9f7aecc5b0
commit 6ab7e5d32f
1 changed files with 2 additions and 1 deletions
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lectures/21_hash_tables_II/README.md
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@@ -114,7 +114,7 @@ if (itr != my_data.end()) {
- Using the default std::string hash function. - Using the default std::string hash function.
– With no specified initial table size. (map a std::string type key to a Foo class type value) – With no specified initial table size. (map a std::string type key to a class Foo type value)
```cpp ```cpp
std::unordered_map<std::string,Foo> m; std::unordered_map<std::string,Foo> m;
``` ```
@@ -132,6 +132,7 @@ std::unordered_map<std::string,Foo,std::function<unsigned int(std::string)> > m(
std::unordered_map<std::string,Foo,decltype(&MyHashFunction)> m(1000, MyHashFunction); std::unordered_map<std::string,Foo,decltype(&MyHashFunction)> m(1000, MyHashFunction);
``` ```
- Using a home-made std::string hash functor or function object. - Using a home-made std::string hash functor or function object.
– With no specified initial table size. – With no specified initial table size.
```cpp ```cpp
std::unordered_map<std::string,Foo,MyHashFunctor> m; std::unordered_map<std::string,Foo,MyHashFunctor> m;