<mp-units/framework/quantity.h>
template<
std::derived_from<quantity> Q,
typename Value>
requires (!Quantity<Value>) &&
(!Reference<Value>) && detail::InvokeResultOf<quantity_spec, std::divides<>, rep, const Value&>
[[nodiscard]]
constexpr
QuantityOf<quantity_spec> auto
operator/(
Q const& q,
Value const& val);