conditional_t is an alias to the return type of the bsl::conditional meta‐function. Note, that the conditional_t avoids the ::type suffix and typename prefix when we want to use the result of the meta‐function in templates.

Synopsis

Declared in <bslmf_conditional.h>

template<
    bool t_COND,
    class t_TRUE_TYPE,
    class t_FALSE_TYPE>
using conditional_t = conditional<t_COND, t_TRUE_TYPE, t_FALSE_TYPE>::type;

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