查看“Notes on STL”的源代码

== container ==
* begin(), end()
* rbegin(), rend()
* size()

== vector ==
Resizable array.

* Constructor: vector(), vector(size), vector(size, fill)

* push_back(val)
* pop_back()

== list ==
Implements double-linked list.

* insert(it)
Insert before it. it == end(): insert at the end.

* erase(it)
Erase item at it. Return item after it.

* front(), back()
Easily access first & last element.

== string ==
* Constructor: string(size, fill)
* length()

* substr(begin), substr(begin, count)
Obtain a substring.

== set / unordered_set ==
* insert(val)
* erase(val), erase(it)

* find(val)
Return it, or end() if not found

* count(val)

* begin(), rbegin()
Access min/max element. set only.

== map ==
* insert(pair(key, val))
* at(key)
Return val, throws if missing.
* find(key)
Return it, or end() if not found