Understanding C++/Quick Reference

Preprocessor
#include <stdio.h>	includes contents of stdio.h
#error text	display text as compile time error
#warning text	display text as compile time warning
#pragma	compiler specific options
#define M	define M
#undef M	undefine M
#if (condition)	conditional compiling
#ifdef M	compiled if M is defined
#ifndef M	compiled if M is not defined
#elif (condition)	conditional compiling
#else	conditional compiling
#endif	end conditional section
defined()	is macro defined.
!defined()	is macro not defined
M ## D	combines M and D into MD
#M	treat M as string "M"

Syntax

if (bool expr) block [else block]

for ([expr];[condition];[expr]) block

while (condition) block

do { } while (condition)

type identifier([type identifier, ...]);

type identifier([type identifier, ...]) { }

class identifier [:[private|public] type, ...];

class identifier [:[private|public] type, ...] { [private:] };

struct identifier [:[public|private] type, ...];

struct identifier [:[public|private] type, ...] { [public:] };

union identifier;

union identifier { type identifier; ... };

enum identifier;

enum identifier { identifier [=int_value], ... }';

typedef type identifier;

Logical AND (&&) and Logical OR (||) Lookup Table

Logical OR:

OR	True	False
True	True	True
False	True	False

Logical AND:

AND	True	False
True	True	False
False	False	False

Logical XOR:

XOR	True	False
True	False	True
False	True	False

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