PRINT-DERIVE INPUT (DISPLAY): struct Foo { field : [bool ; { #[rustc_dummy] struct Inner { other_inner_field: u8, } 0 }] } PRINT-DERIVE DEEP-RE-COLLECTED (DISPLAY): struct Foo { field : [bool ; { #[rustc_dummy] struct Inner { other_inner_field : u8, } 0 }] } PRINT-DERIVE INPUT (DEBUG): TokenStream [ Ident { ident: "struct", span: $DIR/expand-to-derive.rs:16:9: 16:15 (#3), }, Ident { ident: "Foo", span: $DIR/expand-to-derive.rs:16:16: 16:19 (#3), }, Group { delimiter: Brace, stream: TokenStream [ Ident { ident: "field", span: $DIR/expand-to-derive.rs:18:13: 18:18 (#3), }, Punct { ch: ':', spacing: Alone, span: $DIR/expand-to-derive.rs:18:18: 18:19 (#3), }, Group { delimiter: Bracket, stream: TokenStream [ Ident { ident: "bool", span: $DIR/expand-to-derive.rs:18:21: 18:25 (#3), }, Punct { ch: ';', spacing: Alone, span: $DIR/expand-to-derive.rs:18:25: 18:26 (#3), }, Group { delimiter: Brace, stream: TokenStream [ Punct { ch: '#', spacing: Alone, span: $DIR/expand-to-derive.rs:27:5: 27:6 (#0), }, Group { delimiter: Bracket, stream: TokenStream [ Ident { ident: "rustc_dummy", span: $DIR/expand-to-derive.rs:27:28: 27:39 (#0), }, ], span: $DIR/expand-to-derive.rs:27:5: 27:6 (#0), }, Ident { ident: "struct", span: $DIR/expand-to-derive.rs:28:5: 28:11 (#0), }, Ident { ident: "Inner", span: $DIR/expand-to-derive.rs:28:12: 28:17 (#0), }, Group { delimiter: Brace, stream: TokenStream [ Ident { ident: "other_inner_field", span: $DIR/expand-to-derive.rs:30:9: 30:26 (#0), }, Punct { ch: ':', spacing: Alone, span: $DIR/expand-to-derive.rs:30:26: 30:27 (#0), }, Ident { ident: "u8", span: $DIR/expand-to-derive.rs:30:28: 30:30 (#0), }, Punct { ch: ',', spacing: Alone, span: $DIR/expand-to-derive.rs:30:30: 30:31 (#0), }, ], span: $DIR/expand-to-derive.rs:28:18: 31:6 (#0), }, Literal { kind: Integer, symbol: "0", suffix: None, span: $DIR/expand-to-derive.rs:20:17: 20:18 (#3), }, ], span: $DIR/expand-to-derive.rs:18:27: 21:14 (#3), }, ], span: $DIR/expand-to-derive.rs:18:20: 21:15 (#3), }, ], span: $DIR/expand-to-derive.rs:16:20: 22:10 (#3), }, ]