This class will be a bsl::true_type if the specified (template parameter type) t_TYPE is a signed type, and bsl::false_type otherwise. t_TYPE shall be an integral type. Note that currently bsl::is_signed is not available for C++03 platforms.
Declared in <bdljsn_numberutil.h>
template<class t_TYPE>
struct NumberUtil_IsSigned
: bsl::integral_constant<bool, (t_TYPE(-1) < t_TYPE(0))>
| Name | Description |
|---|---|
bsl::integral_constant<bool, (t_TYPE(-1) < t_TYPE(0))> | Metafunction representing a compile-time constant of the specified (template parameter) t_TYPE with the specified (template parameter) t_VALUE. |
| Name | Description |
|---|---|
type | Alias for this integral_constant specialization. |
value_type |
| Name | Description |
|---|---|
operator() | Return a copy of the template argument t_VALUE. |
operator value_type |
| Name |
|---|
value |