- o -

• offender : atlas::interpreter::expr_error
• offset : atlas::interpreter::local_assignment , atlas::interpreter::local_component_assignment< reversed > , atlas::interpreter::local_identifier , atlas::interpreter::multiple_assignment::local_dest
• op_cast_variant : atlas::interpreter::expr
• op_exp : atlas::interpreter::formula_node
• oper : atlas::interpreter::op_cast_node , YYSTYPE
• orbit : atlas::involutions::Cartan_orbits
• orbits : atlas::blocks::Block_base
• overflow : atlas::tally::TallyVec< Count >
• owning_files : modulus_info