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std::numeric_limits::is_integer

static const bool is_integer;
 (until C++11) 
static constexpr bool is_integer;
 (since C++11)

The value of std::numeric_limits<T>::is_integer is true for all integer arithmetic types T and false otherwise. This constant is meaningful for all specializations.

Standard specializations

T value of std::numeric_limits<T>::is_integer
/* non-specialized */ false
bool true
char true
signed char true
unsigned char true
wchar_t true
char16_t true
char32_t true
short true
unsigned short true
int true
unsigned int true
long true
unsigned long true
long long true
unsigned long long true
float false
double false
long double false

See also

(C++11)
 checks if a type is integral type
(class template)
[static]
 identifies signed types
(public static member constant)
[static]
 identifies exact types
(public static member constant)
[static]
 identifies types that represent a finite set of values
(public static member constant)
doc_CPP
doc_CPP
2016-10-11 10:05:20
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