对变量命名有很大帮助，来自 Learn Cpp.Com。
The type prefix indicates the data type of the variable.
| Type prefix | Meaning | Example |
|---|---|---|
| b | boolean | bool bHasEffect; |
| c (or none*) | class | Creature cMonster; |
| ch | char (used as a char) | char chLetterGrade; |
| d | double, long double | double dPi; |
| e | enum | Color eColor; |
| f | float | float fPercent; |
| n | short, int, long char used as an integer |
int nValue; |
| s | struct | Rectangle sRect; |
| str | C++ string | std::string strName; |
| sz | Null-terminated string | char szName[20]; |
The following type modifiers are placed before the prefix if they apply:
| Type modifier | Meaning | Example |
|---|---|---|
| a | array on stack | int anValue[10]; |
| p | pointer | int pnValue; |
| pa | dynamic array | int panValue = new int[10]; |
| r | reference | int rnValue; |
| u | unsigned | unsigned int unValue; |
The following scope modifiers are placed before the type modifier if they apply:
| Scope modifier | Meaning | Example |
|---|---|---|
| g_ | global variable | int g_nGlobalValue; |
| m_ | member of class | int m_nMemberValue; |
| s_ | static member of class | int s_nValue; |
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