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Keywords are the words that 'do' something. These words therefore cannot be used as variable names. In many C++ IDE's, these appear in bold.
int if = 3; //ERROR! |
Some keywords are only accepted by some standards:

alignas
alignof
asm
auto
bool
break
case
catch
char
char16_t
char32_t
class
const
constexpr
const_cast
continue
decltype
default
delete
do
double
dynamic_cast
else
enum
enum class
explicit
export
extern
extern template
false
final
float
for
friend
goto
if
inline
int
long
mutable
namespace
new
noexcept
nullptr
operator
private
protected
public
register
reinterpret_cast
return
short
signed
sizeof
static
static_assert
static_cast
struct
switch
template
this
thread_local
throw
true
try
typedef
typeid
typename
union
unsigned
using
virtual
void
volatile
wchar_t
while
Go back to Richel Bilderbeek's C++ page.
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