PRINT-BANG INPUT (DISPLAY): { #![rustc_dummy] let a = "hello".len(); matches!(a, 5); }
PRINT-BANG DEEP-RE-COLLECTED (DISPLAY): { #! [rustc_dummy] let a = "hello".len() ; matches! (a, 5) ; }
PRINT-BANG INPUT (DEBUG): TokenStream [
    Group {
        delimiter: Brace,
        stream: TokenStream [
            Punct {
                ch: '#',
                spacing: Joint,
                span: $DIR/pretty-print-tts.rs:15:5: 15:6 (#0),
            },
            Punct {
                ch: '!',
                spacing: Alone,
                span: $DIR/pretty-print-tts.rs:15:6: 15:7 (#0),
            },
            Group {
                delimiter: Bracket,
                stream: TokenStream [
                    Ident {
                        ident: "rustc_dummy",
                        span: $DIR/pretty-print-tts.rs:15:8: 15:19 (#0),
                    },
                ],
                span: $DIR/pretty-print-tts.rs:15:7: 15:20 (#0),
            },
            Ident {
                ident: "let",
                span: $DIR/pretty-print-tts.rs:16:5: 16:8 (#0),
            },
            Ident {
                ident: "a",
                span: $DIR/pretty-print-tts.rs:16:9: 16:10 (#0),
            },
            Punct {
                ch: '=',
                spacing: Alone,
                span: $DIR/pretty-print-tts.rs:16:11: 16:12 (#0),
            },
            Literal {
                kind: Str,
                symbol: "hello",
                suffix: None,
                span: $DIR/pretty-print-tts.rs:16:13: 16:20 (#0),
            },
            Punct {
                ch: '.',
                spacing: Alone,
                span: $DIR/pretty-print-tts.rs:16:20: 16:21 (#0),
            },
            Ident {
                ident: "len",
                span: $DIR/pretty-print-tts.rs:16:21: 16:24 (#0),
            },
            Group {
                delimiter: Parenthesis,
                stream: TokenStream [],
                span: $DIR/pretty-print-tts.rs:16:24: 16:26 (#0),
            },
            Punct {
                ch: ';',
                spacing: Alone,
                span: $DIR/pretty-print-tts.rs:16:26: 16:27 (#0),
            },
            Ident {
                ident: "matches",
                span: $DIR/pretty-print-tts.rs:17:5: 17:12 (#0),
            },
            Punct {
                ch: '!',
                spacing: Alone,
                span: $DIR/pretty-print-tts.rs:17:12: 17:13 (#0),
            },
            Group {
                delimiter: Parenthesis,
                stream: TokenStream [
                    Ident {
                        ident: "a",
                        span: $DIR/pretty-print-tts.rs:17:14: 17:15 (#0),
                    },
                    Punct {
                        ch: ',',
                        spacing: Alone,
                        span: $DIR/pretty-print-tts.rs:17:15: 17:16 (#0),
                    },
                    Literal {
                        kind: Integer,
                        symbol: "5",
                        suffix: None,
                        span: $DIR/pretty-print-tts.rs:17:17: 17:18 (#0),
                    },
                ],
                span: $DIR/pretty-print-tts.rs:17:13: 17:19 (#0),
            },
            Punct {
                ch: ';',
                spacing: Alone,
                span: $DIR/pretty-print-tts.rs:17:19: 17:20 (#0),
            },
        ],
        span: $DIR/pretty-print-tts.rs:14:21: 18:2 (#0),
    },
]