-- Testbed line: result_type=set<struct { bool 0, struct { bool 0, bool 1, bool 2 } 1 }>
-- Testbed line: result_elements=2
-- Testbed start block:
Element 1: { T, { T, F, T }
 }
Element 2: { T, { T, F, T }
 }
-- Testbed end block: