444     /// The serializer encountered one or more struct fields (and wrote their
847         let wrote = {  in serialize_header()  localVariable
852         (wrote, String::from_utf8(wtr.into_inner().unwrap()).unwrap())  in serialize_header()
869         let (wrote, got) = serialize_header(true);  in bool()
870         assert!(!wrote);  in bool()
878         let (wrote, got) = serialize_header(12345);  in integer()
879         assert!(!wrote);  in integer()
888             let (wrote, got) = serialize_header(12345);
889             assert!(!wrote);
897             let (wrote, got) = serialize_header(12345);
898             assert!(!wrote);
907         let (wrote, got) = serialize_header(1.23);  in float()
908         assert!(!wrote);  in float()
916         let (wrote, got) = serialize_header(::std::f64::NAN);  in float_nan()
917         assert!(!wrote);  in float_nan()
925         let (wrote, got) = serialize_header('☃');  in char()
926         assert!(!wrote);  in char()
934         let (wrote, got) = serialize_header("how\nare\n\"you\"?");  in str()
935         assert!(!wrote);  in str()
943         let (wrote, got) = serialize_header(&b"how\nare\n\"you\"?"[..]);  in bytes()
944         assert!(!wrote);  in bytes()
952         let (wrote, got) = serialize_header(None::<()>);  in option()
953         assert!(!wrote);  in option()
958         let (wrote, got) = serialize_header(Some(5));  in option()
959         assert!(!wrote);  in option()
967         let (wrote, got) = serialize_header(());  in unit()
968         assert!(!wrote);  in unit()
973         let (wrote, got) = serialize_header(());  in unit()
974         assert!(!wrote);  in unit()
985         let (wrote, got) = serialize_header(Foo);  in struct_unit()
986         assert!(!wrote);  in struct_unit()
997         let (wrote, got) = serialize_header(Foo(1.5));  in struct_newtype()
998         assert!(!wrote);  in struct_newtype()
1013         let (wrote, got) = serialize_header(Wat::Foo);  in enum_units()
1014         assert!(!wrote);  in enum_units()
1019         let (wrote, got) = serialize_header(Wat::Bar);  in enum_units()
1020         assert!(!wrote);  in enum_units()
1025         let (wrote, got) = serialize_header(Wat::Baz);  in enum_units()
1026         assert!(!wrote);  in enum_units()
1041         let (wrote, got) = serialize_header(Wat::Foo(5));  in enum_newtypes()
1042         assert!(!wrote);  in enum_newtypes()
1047         let (wrote, got) = serialize_header(Wat::Bar(1.5));  in enum_newtypes()
1048         assert!(!wrote);  in enum_newtypes()
1053         let (wrote, got) = serialize_header(Wat::Baz(true));  in enum_newtypes()
1054         assert!(!wrote);  in enum_newtypes()
1062         let (wrote, got) = serialize_header(vec![1, 2, 3]);  in seq()
1063         assert!(!wrote);  in seq()
1072         let (wrote, got) = serialize_header(row.clone());  in tuple()
1073         assert!(!wrote);  in tuple()
1079         let (wrote, got) = serialize_header(row.clone());  in tuple()
1080         assert!(!wrote);  in tuple()
1092         let (wrote, got) = serialize_header(row.clone());  in tuple_struct()
1093         assert!(!wrote);  in tuple_struct()
1179         let (wrote, got) = serialize_header(row.clone());  in struct_headers()
1180         assert!(wrote);  in struct_headers()
1255         let (wrote, got) = serialize_header(row.clone());  in struct_headers_inside_tuple()
1256         assert!(wrote);  in struct_headers_inside_tuple()
1313         let (wrote, got) = serialize_header(row.clone());  in struct_headers_inside_seq()
1314         assert!(wrote);  in struct_headers_inside_seq()
1344         let (wrote, got) = serialize_header(row.clone());  in struct_headers_inside_nested_tuple_seq()
1345         assert!(wrote);  in struct_headers_inside_nested_tuple_seq()