PRINT-ATTR INPUT (DISPLAY): fn main() { & | _ : u8 | {} ; mul_2! (1 + 1) ; }
PRINT-ATTR INPUT (DEBUG): TokenStream [
    Ident {
        ident: "fn",
        span: $DIR/issue-75734-pp-paren.rs:23:1: 23:3 (#0),
    },
    Ident {
        ident: "main",
        span: $DIR/issue-75734-pp-paren.rs:23:4: 23:8 (#0),
    },
    Group {
        delimiter: Parenthesis,
        stream: TokenStream [],
        span: $DIR/issue-75734-pp-paren.rs:23:8: 23:10 (#0),
    },
    Group {
        delimiter: Brace,
        stream: TokenStream [
            Punct {
                ch: '&',
                spacing: Joint,
                span: $DIR/issue-75734-pp-paren.rs:24:5: 24:6 (#0),
            },
            Punct {
                ch: '|',
                spacing: Alone,
                span: $DIR/issue-75734-pp-paren.rs:24:6: 24:7 (#0),
            },
            Ident {
                ident: "_",
                span: $DIR/issue-75734-pp-paren.rs:24:7: 24:8 (#0),
            },
            Punct {
                ch: ':',
                spacing: Alone,
                span: $DIR/issue-75734-pp-paren.rs:24:8: 24:9 (#0),
            },
            Ident {
                ident: "u8",
                span: $DIR/issue-75734-pp-paren.rs:24:10: 24:12 (#0),
            },
            Punct {
                ch: '|',
                spacing: Alone,
                span: $DIR/issue-75734-pp-paren.rs:24:12: 24:13 (#0),
            },
            Group {
                delimiter: Brace,
                stream: TokenStream [],
                span: $DIR/issue-75734-pp-paren.rs:24:14: 24:16 (#0),
            },
            Punct {
                ch: ';',
                spacing: Alone,
                span: $DIR/issue-75734-pp-paren.rs:24:16: 24:17 (#0),
            },
            Ident {
                ident: "mul_2",
                span: $DIR/issue-75734-pp-paren.rs:25:5: 25:10 (#0),
            },
            Punct {
                ch: '!',
                spacing: Alone,
                span: $DIR/issue-75734-pp-paren.rs:25:10: 25:11 (#0),
            },
            Group {
                delimiter: Parenthesis,
                stream: TokenStream [
                    Literal {
                        kind: Integer,
                        symbol: "1",
                        suffix: None,
                        span: $DIR/issue-75734-pp-paren.rs:25:12: 25:13 (#0),
                    },
                    Punct {
                        ch: '+',
                        spacing: Alone,
                        span: $DIR/issue-75734-pp-paren.rs:25:14: 25:15 (#0),
                    },
                    Literal {
                        kind: Integer,
                        symbol: "1",
                        suffix: None,
                        span: $DIR/issue-75734-pp-paren.rs:25:16: 25:17 (#0),
                    },
                ],
                span: $DIR/issue-75734-pp-paren.rs:25:11: 25:18 (#0),
            },
            Punct {
                ch: ';',
                spacing: Alone,
                span: $DIR/issue-75734-pp-paren.rs:25:18: 25:19 (#0),
            },
        ],
        span: $DIR/issue-75734-pp-paren.rs:23:11: 26:2 (#0),
    },
]
PRINT-BANG INPUT (DISPLAY): 1 + 1 * 2
PRINT-BANG INPUT (DEBUG): TokenStream [
    Group {
        delimiter: None,
        stream: TokenStream [
            Literal {
                kind: Integer,
                symbol: "1",
                suffix: None,
                span: $DIR/issue-75734-pp-paren.rs:25:12: 25:13 (#0),
            },
            Punct {
                ch: '+',
                spacing: Alone,
                span: $DIR/issue-75734-pp-paren.rs:25:14: 25:15 (#0),
            },
            Literal {
                kind: Integer,
                symbol: "1",
                suffix: None,
                span: $DIR/issue-75734-pp-paren.rs:25:16: 25:17 (#0),
            },
        ],
        span: $DIR/issue-75734-pp-paren.rs:17:21: 17:25 (#7),
    },
    Punct {
        ch: '*',
        spacing: Alone,
        span: $DIR/issue-75734-pp-paren.rs:17:26: 17:27 (#7),
    },
    Literal {
        kind: Integer,
        symbol: "2",
        suffix: None,
        span: $DIR/issue-75734-pp-paren.rs:17:28: 17:29 (#7),
    },
]