C++11 conditional meta‐function.
Synopsis
Declared in <bslmf_conditional.h>
template<
bool t_COND,
class t_TRUE_TYPE,
class t_FALSE_TYPE>
struct conditional;Description
This struct template implements the conditional meta‐function defined in the C++ standard [meta.trans.other], providing an alias, type, that returns the result. If the (template parameter) value t_COND is true, then type has the same type as the (template parameter) type t_TRUE_TYPE; otherwise, type has the same type as the (template parameter) type t_FALSE_TYPE. Note that this generic default template defines type to be an alias to t_TRUE_TYPE for when t_COND is true. A template specialization is provided (below) handles the case for when t_COND is false.
Type Aliases
Name |
Description |
This |
Specializations
Name |
Description |
Partial specialization of |
Derived Classes
Name |
Description |
Metafunction selecting the preferred factory deleter for |
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