builtins.mapAttrs (name: value: { email = name + "@bsc.es"; } // value) { abonerib.name = "Aleix Boné"; arocanon.name = "Aleix Roca"; rarias.name = "Rodrigo Arias"; rpenacob.name = "Raúl Peñacoba"; varcila.name = "Vincent Arcila"; }