PRINT-DERIVE INPUT (DISPLAY): struct Foo { my_array: [bool; { struct Inner { non_removed_inner_field: usize } 0 }] } PRINT-DERIVE DEEP-RE-COLLECTED (DISPLAY): struct Foo { my_array : [bool ; { struct Inner { non_removed_inner_field : usize } 0 }] } PRINT-DERIVE INPUT (DEBUG): TokenStream [ Ident { ident: "struct", span: $DIR/nested-derive-cfg.rs:12:1: 12:7 (#0), }, Ident { ident: "Foo", span: $DIR/nested-derive-cfg.rs:12:8: 12:11 (#0), }, Group { delimiter: Brace, stream: TokenStream [ Ident { ident: "my_array", span: $DIR/nested-derive-cfg.rs:14:5: 14:13 (#0), }, Punct { ch: ':', spacing: Alone, span: $DIR/nested-derive-cfg.rs:14:13: 14:14 (#0), }, Group { delimiter: Bracket, stream: TokenStream [ Ident { ident: "bool", span: $DIR/nested-derive-cfg.rs:14:16: 14:20 (#0), }, Punct { ch: ';', spacing: Alone, span: $DIR/nested-derive-cfg.rs:14:20: 14:21 (#0), }, Group { delimiter: Brace, stream: TokenStream [ Ident { ident: "struct", span: $DIR/nested-derive-cfg.rs:15:9: 15:15 (#0), }, Ident { ident: "Inner", span: $DIR/nested-derive-cfg.rs:15:16: 15:21 (#0), }, Group { delimiter: Brace, stream: TokenStream [ Ident { ident: "non_removed_inner_field", span: $DIR/nested-derive-cfg.rs:17:13: 17:36 (#0), }, Punct { ch: ':', spacing: Alone, span: $DIR/nested-derive-cfg.rs:17:36: 17:37 (#0), }, Ident { ident: "usize", span: $DIR/nested-derive-cfg.rs:17:38: 17:43 (#0), }, ], span: $DIR/nested-derive-cfg.rs:15:22: 18:10 (#0), }, Literal { kind: Integer, symbol: "0", suffix: None, span: $DIR/nested-derive-cfg.rs:19:9: 19:10 (#0), }, ], span: $DIR/nested-derive-cfg.rs:14:22: 20:6 (#0), }, ], span: $DIR/nested-derive-cfg.rs:14:15: 20:7 (#0), }, ], span: $DIR/nested-derive-cfg.rs:12:12: 21:2 (#0), }, ]