C + + Standards Library reading notes-chapter II Introduction to C + + and the standard library

1. History of the C + + Standards1.1 History of the C + + standards

c++98, c++03, TR1, c++11, c++14(not in the book, seemingly the latest standard)

1.2 Common Questions about the c++11

1. Different components have different design ideas:

String-Security

STL-Unsafe

1.3 Compatibility between c++98 and c++11

1. You can define macros by

1 #define __cplusplus 201103L

New features that introduce c++11 when compiling different versions of C + + programs

2. Compiling c++98 programs, including libraries, with the c++11 compiler is usually no problem, but using the C++11 connection is already using c++98 compiled libraries may fail

2. Complexity and Big-o Notation

C + + Standards Library reading notes-chapter II Introduction to C + + and the standard library