bsl::enable_if

enable_if_t is an alias to the return type of the bsl::enable_if meta‐function. Note, that the enable_if_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_enableif.h>

template<
    bool t_COND,
    class t_TYPE = void>
using enable_if_t = t_TYPE;

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bsl::enable_if_t

Synopsis