BloombergLP::bslmf::Switch4

switch meta-function among four types.

Synopsis

Declared in <bslmf_switch.h>

template<
    size_t t_SWITCH_SELECTOR,
    class t_T0,
    class t_T1,
    class t_T2,
    class t_T3>
using Switch4 = Switch<t_SWITCH_SELECTOR, t_T0, t_T1, t_T2, t_T3>;