1*731171a1SBrad Bishop const std::array<std::vector<size_t>, ${len(callbackgroups)}> groups = {{ 2*731171a1SBrad Bishop % for g in callbackgroups: 3*731171a1SBrad Bishop {${', '.join([str(x) for x in g.members])}}, 4*731171a1SBrad Bishop % endfor 5*731171a1SBrad Bishop }}; 6