This struct template provides a type trait to determine if one class is an accessible base class of another class. Note that, while similar to std::is_base_of, when the derived relationship is via private, protected, or ambiguous inheritance IsAccessibleBaseOf evaluates to false.
Declared in <bslmf_isaccessiblebaseof.h>
template<
class t_BASE,
class t_DERIVED>
class IsAccessibleBaseOf
: public bsl::integral_constant<bool, bsl::is_class<typename bsl::remove_cv<t_BASE>::type>::value && bsl::is_class<typename bsl::remove_cv<t_DERIVED>::type>::value && bsl::is_convertible<typename bsl::remove_cv<t_DERIVED>::type *, typename bsl::remove_cv<t_BASE>::type *>::value>| Name | Description |
|---|---|
bsl::integral_constant<bool, bsl::is_class<typename bsl::remove_cv<t_BASE>::type>::value && bsl::is_class<typename bsl::remove_cv<t_DERIVED>::type>::value && bsl::is_convertible<typename bsl::remove_cv<t_DERIVED>::type *, typename bsl::remove_cv<t_BASE>::type *>::value> | 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 |