PRINT-ATTR INPUT (DISPLAY): struct S1 { #[cfg(all())] #[allow()] field_true : u8, }
PRINT-ATTR INPUT (DEBUG): TokenStream [
    Ident {
        ident: "struct",
        span: $DIR/cfg-eval.rs:17:1: 24:2 (#0),
    },
    Ident {
        ident: "S1",
        span: $DIR/cfg-eval.rs:17:1: 24:2 (#0),
    },
    Group {
        delimiter: Brace,
        stream: TokenStream [
            Punct {
                ch: '#',
                spacing: Alone,
                span: $DIR/cfg-eval.rs:17:1: 24:2 (#0),
            },
            Group {
                delimiter: Bracket,
                stream: TokenStream [
                    Ident {
                        ident: "cfg",
                        span: $DIR/cfg-eval.rs:17:1: 24:2 (#0),
                    },
                    Group {
                        delimiter: Parenthesis,
                        stream: TokenStream [
                            Ident {
                                ident: "all",
                                span: $DIR/cfg-eval.rs:17:1: 24:2 (#0),
                            },
                            Group {
                                delimiter: Parenthesis,
                                stream: TokenStream [],
                                span: $DIR/cfg-eval.rs:17:1: 24:2 (#0),
                            },
                        ],
                        span: $DIR/cfg-eval.rs:17:1: 24:2 (#0),
                    },
                ],
                span: $DIR/cfg-eval.rs:17:1: 24:2 (#0),
            },
            Punct {
                ch: '#',
                spacing: Alone,
                span: $DIR/cfg-eval.rs:17:1: 24:2 (#0),
            },
            Group {
                delimiter: Bracket,
                stream: TokenStream [
                    Ident {
                        ident: "allow",
                        span: $DIR/cfg-eval.rs:17:1: 24:2 (#0),
                    },
                    Group {
                        delimiter: Parenthesis,
                        stream: TokenStream [],
                        span: $DIR/cfg-eval.rs:17:1: 24:2 (#0),
                    },
                ],
                span: $DIR/cfg-eval.rs:17:1: 24:2 (#0),
            },
            Ident {
                ident: "field_true",
                span: $DIR/cfg-eval.rs:17:1: 24:2 (#0),
            },
            Punct {
                ch: ':',
                spacing: Alone,
                span: $DIR/cfg-eval.rs:17:1: 24:2 (#0),
            },
            Ident {
                ident: "u8",
                span: $DIR/cfg-eval.rs:17:1: 24:2 (#0),
            },
            Punct {
                ch: ',',
                spacing: Alone,
                span: $DIR/cfg-eval.rs:17:1: 24:2 (#0),
            },
        ],
        span: $DIR/cfg-eval.rs:17:1: 24:2 (#0),
    },
]
PRINT-ATTR INPUT (DISPLAY): (#[cfg(all())] 1,)
PRINT-ATTR INPUT (DEBUG): TokenStream [
    Group {
        delimiter: Parenthesis,
        stream: TokenStream [
            Punct {
                ch: '#',
                spacing: Alone,
                span: $DIR/cfg-eval.rs:31:38: 31:80 (#0),
            },
            Group {
                delimiter: Bracket,
                stream: TokenStream [
                    Ident {
                        ident: "cfg",
                        span: $DIR/cfg-eval.rs:31:38: 31:80 (#0),
                    },
                    Group {
                        delimiter: Parenthesis,
                        stream: TokenStream [
                            Ident {
                                ident: "all",
                                span: $DIR/cfg-eval.rs:31:38: 31:80 (#0),
                            },
                            Group {
                                delimiter: Parenthesis,
                                stream: TokenStream [],
                                span: $DIR/cfg-eval.rs:31:38: 31:80 (#0),
                            },
                        ],
                        span: $DIR/cfg-eval.rs:31:38: 31:80 (#0),
                    },
                ],
                span: $DIR/cfg-eval.rs:31:38: 31:80 (#0),
            },
            Literal {
                kind: Integer,
                symbol: "1",
                suffix: None,
                span: $DIR/cfg-eval.rs:31:38: 31:80 (#0),
            },
            Punct {
                ch: ',',
                spacing: Alone,
                span: $DIR/cfg-eval.rs:31:38: 31:80 (#0),
            },
        ],
        span: $DIR/cfg-eval.rs:31:38: 31:80 (#0),
    },
]