structure_instance_bug3.lean:1:30: error: invalid structure value { ... }, field 'id_map' was not provided
structure_instance_bug3.lean:1:30: error: invalid structure value { ... }, field 'pure_bind' was not provided
structure_instance_bug3.lean:1:30: error: invalid structure value { ... }, field 'bind_assoc' was not provided
structure_instance_bug3.lean:1:30: error: failed to synthesize type class instance for
⊢ has_pure set
structure_instance_bug3.lean:1:30: error: failed to synthesize type class instance for
⊢ has_bind set