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asit-dhal/structured_binding_get_2.cpp

Created December 4, 2020 21:29
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structured_binding_get_2.cpp
template<std::size_t idx> auto get(const B &b)
{
static_assert (idx < 4);
if constexpr (idx == 0) {
return b.a;
} else if constexpr (idx == 1) {
return b.c;
} else if constexpr (idx == 2) {
return b.d;
} else {
return b.e;
}
}
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