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++

if

switch

()

for
`for` (C++11)

while
`do-while`

continue - break

goto - return

-

inline

( C++17*)

noexcept (C++11)

throw

try-catch

/

decltype (C++11)
auto (C++11)
alignas (C++11)

`const`/`volatile`
constexpr (C++11)


(C++11)

- -

- - nullptr (C++11)

(C++11)

Types

typedef

(C++11)

Casts

-

static_cast - dynamic_cast

const_cast - reinterpret_cast

new

delete



`this`


`friend`


`override` (C++11)
`final` (C++11)

explicit (C++11)
static

-



(C++11)


(C++11)


(C++11)

C++

[edit]

(lvalue, rvalue, xvalue)

( )

-(C++11)

,

(C++11)

:
:
:
:
:
:
:

`a=b`, `a+=b`, `a-=b`, `a*=b`, `a/=b`, `a%=b`, `a&=b`, `a\|=b`, `a^=b`, `a<<=b`, `a>>=b`
`++a`, `--a`, `a++`, `a--`
`+a`, `-a`, `a+b`, `a-b`, `a*b`, `a/b`, `a%b`, `~a`, `a&b`, `a\|b`, `a^b`, `a<<b`, `a>>b`
`a\|\|b`, `a&&b`, `!a`
`a==b`, `a!=b`, `a<b`, `a>b`, `a<=b`, `a>=b`, `a<=>b` ( C++20)
`a[b]`, `a`, `&a`, `a->b`, `a.b`, `a->b`, `a.*b`
`a(...)`, `a,b`, `a?b:c`

new

delete

throw

alignof

sizeof

sizeof...(C++11)

typeid

noexcept(C++11)

(C++17)

(C++20)

: (T)a, T(a), auto(a), auto{a} ( C++23)

[edit]

.

		( `class T`)

	`not a` `!a`	`bool T::operator!() const;`	`bool operator!(const T &a);`
	`a and b` `a && b`	`bool T::operator&&(const T2 &b) const;`	`bool operator&&(const T &a, const T2 &b);`
	`a or b` `a \|\| b`	`bool T::operator\|\|(const T2 &b) const;`	`bool operator\|\|(const T &a, const T2 &b);`
(`and`,`or`,`not`) (`&&`,`\|\|`,`!`) ( ) `bool`, `bool`, , . ( `void`). `&&` `\|\|` ( , ),


`!` rhs	(1)

lhs `&&` rhs	(2)

lhs `\|\|` rhs	(3)

1)

2)

3)

bool, bool bool: , bool t() t.

bool prvalue.

true, false. false.

true, true. false. : false, .

true, ( ) true. : true, .

, .

`a`	`true`	`false`
`!a`	`false`	`true`

`and`		`a`
`and`		`true`	`false`
`b`	`true`	`true`	`false`
`b`	`false`	`false`	`false`

`or`		`a`
`or`		`true`	`false`
`b`	`true`	`true`	`true`
`b`	`false`	`true`	`false`

, :

`bool operator!(bool)`
`bool operator&&(bool, bool)`
`bool operator\|\|(bool, bool)`

#include <iostream>
#include <string>
int main()
{
    int n = 2;
    int* p = &n;
    //     bool
    if(    p && *p == 2   // "*p"    "p &&"
       || !p &&  n != 2 ) // ||    ,  &&
        std::cout << "true\n";

    //      bool
    std::cout << " ''  .\n";
    for(std::string line;    std::cout << "> "
                          && std::getline(std::cin, line)
                          && line != ""; )
        ;
}

:

true
 ''  .
> 
>

operator&& operator|| , , :

operator!	valarray (public - `std::valarray`)
operator&&operator	valarray, valarray ( )
operator!	, ( fail()) (public - `std::basic_ios`) []



`a = b a += b a -= b a *= b a /= b a %= b a &= b a \|= b a ^= b a <<= b a >>= b`	`++a --a a++ a--`	`+a -a a + b a - b a * b a / b a % b ~a a & b a \| b a ^ b a << b a >> b`	`!a a && b a \|\| b`	`a == b a != b a < b a > b a <= b a >= b a <=> b`	`a[...] a &a a->b a.b a->b a.*b`
						`a(...)`

						`a, b`

						`a ? b : c`

static_cast dynamic_cast const_cast cv reinterpret_cast C `static_cast`, `const_cast` `reinterpret_cast` new delete , new, sizeof sizeof... ( C++11) typeid noexcept , ( C++11) alignof ( C++11)

C