PRINT-DERIVE INPUT (DISPLAY): struct Foo { val : [bool ; { let a = #[rustc_dummy(first)] #[rustc_dummy(second)] { #! [allow(unused)] 30 } ; 0 }] } PRINT-DERIVE INPUT (DEBUG): TokenStream [ Ident { ident: "struct", span: $DIR/macro-rules-derive-cfg.rs:17:9: 17:15 (#3), }, Ident { ident: "Foo", span: $DIR/macro-rules-derive-cfg.rs:17:16: 17:19 (#3), }, Group { delimiter: Brace, stream: TokenStream [ Ident { ident: "val", span: $DIR/macro-rules-derive-cfg.rs:18:13: 18:16 (#3), }, Punct { ch: ':', spacing: Alone, span: $DIR/macro-rules-derive-cfg.rs:18:16: 18:17 (#3), }, Group { delimiter: Bracket, stream: TokenStream [ Ident { ident: "bool", span: $DIR/macro-rules-derive-cfg.rs:18:19: 18:23 (#3), }, Punct { ch: ';', spacing: Alone, span: $DIR/macro-rules-derive-cfg.rs:18:23: 18:24 (#3), }, Group { delimiter: Brace, stream: TokenStream [ Ident { ident: "let", span: $DIR/macro-rules-derive-cfg.rs:19:17: 19:20 (#3), }, Ident { ident: "a", span: $DIR/macro-rules-derive-cfg.rs:19:21: 19:22 (#3), }, Punct { ch: '=', spacing: Alone, span: $DIR/macro-rules-derive-cfg.rs:19:23: 19:24 (#3), }, Punct { ch: '#', spacing: Alone, span: $DIR/macro-rules-derive-cfg.rs:19:25: 19:26 (#3), }, Group { delimiter: Bracket, stream: TokenStream [ Ident { ident: "rustc_dummy", span: $DIR/macro-rules-derive-cfg.rs:19:48: 19:59 (#3), }, Group { delimiter: Parenthesis, stream: TokenStream [ Ident { ident: "first", span: $DIR/macro-rules-derive-cfg.rs:19:60: 19:65 (#3), }, ], span: $DIR/macro-rules-derive-cfg.rs:19:59: 19:66 (#3), }, ], span: $DIR/macro-rules-derive-cfg.rs:19:25: 19:26 (#3), }, Punct { ch: '#', spacing: Alone, span: $DIR/macro-rules-derive-cfg.rs:26:13: 26:14 (#0), }, Group { delimiter: Bracket, stream: TokenStream [ Ident { ident: "rustc_dummy", span: $DIR/macro-rules-derive-cfg.rs:26:36: 26:47 (#0), }, Group { delimiter: Parenthesis, stream: TokenStream [ Ident { ident: "second", span: $DIR/macro-rules-derive-cfg.rs:26:48: 26:54 (#0), }, ], span: $DIR/macro-rules-derive-cfg.rs:26:47: 26:55 (#0), }, ], span: $DIR/macro-rules-derive-cfg.rs:26:13: 26:14 (#0), }, Group { delimiter: Brace, stream: TokenStream [ Punct { ch: '#', spacing: Alone, span: $DIR/macro-rules-derive-cfg.rs:27:5: 27:6 (#0), }, Punct { ch: '!', spacing: Alone, span: $DIR/macro-rules-derive-cfg.rs:27:6: 27:7 (#0), }, Group { delimiter: Bracket, stream: TokenStream [ Ident { ident: "allow", span: $DIR/macro-rules-derive-cfg.rs:27:29: 27:34 (#0), }, Group { delimiter: Parenthesis, stream: TokenStream [ Ident { ident: "unused", span: $DIR/macro-rules-derive-cfg.rs:27:35: 27:41 (#0), }, ], span: $DIR/macro-rules-derive-cfg.rs:27:34: 27:42 (#0), }, ], span: $DIR/macro-rules-derive-cfg.rs:27:5: 27:6 (#0), }, Literal { kind: Integer, symbol: "30", suffix: None, span: $DIR/macro-rules-derive-cfg.rs:28:5: 28:7 (#0), }, ], span: $DIR/macro-rules-derive-cfg.rs:26:58: 29:2 (#0), }, Punct { ch: ';', spacing: Alone, span: $DIR/macro-rules-derive-cfg.rs:19:74: 19:75 (#3), }, Literal { kind: Integer, symbol: "0", suffix: None, span: $DIR/macro-rules-derive-cfg.rs:20:17: 20:18 (#3), }, ], span: $DIR/macro-rules-derive-cfg.rs:18:25: 21:14 (#3), }, ], span: $DIR/macro-rules-derive-cfg.rs:18:18: 21:15 (#3), }, ], span: $DIR/macro-rules-derive-cfg.rs:17:20: 22:10 (#3), }, ]