Namespaces
Variants

std::experimental::ranges:: IndirectlyComparable

From cppreference.net
Definido en el encabezado <experimental/ranges/iterator>
template < class I1, class I2, class R = ranges:: equal_to <> ,

class P1 = ranges:: identity , class P2 = ranges:: identity >
concepto bool IndirectlyComparable =

IndirectRelation < R, ranges :: projected < I1, P1 > , ranges :: projected < I2, P2 >> ;
(ranges TS)