PRINT-BANG INPUT (DISPLAY): A
PRINT-BANG INPUT (DEBUG): TokenStream [
    Group {
        delimiter: None,
        stream: TokenStream [
            Ident {
                ident: "A",
                span: #0 bytes(402..403),
            },
        ],
        span: #3 bytes(269..271),
    },
]
PRINT-ATTR INPUT (DISPLAY): const A : u8 = 0 ;
PRINT-ATTR INPUT (DEBUG): TokenStream [
    Ident {
        ident: "const",
        span: #0 bytes(0..0),
    },
    Ident {
        ident: "A",
        span: #0 bytes(0..0),
    },
    Punct {
        ch: ':',
        spacing: Alone,
        span: #0 bytes(0..0),
    },
    Ident {
        ident: "u8",
        span: #0 bytes(0..0),
    },
    Punct {
        ch: '=',
        spacing: Alone,
        span: #0 bytes(0..0),
    },
    Literal {
        kind: Integer,
        symbol: "0",
        suffix: None,
        span: #0 bytes(0..0),
    },
    Punct {
        ch: ';',
        spacing: Alone,
        span: #0 bytes(0..0),
    },
]
PRINT-DERIVE INPUT (DISPLAY): struct A { }
PRINT-DERIVE INPUT (DEBUG): TokenStream [
    Ident {
        ident: "struct",
        span: #0 bytes(0..0),
    },
    Ident {
        ident: "A",
        span: #0 bytes(0..0),
    },
    Group {
        delimiter: Brace,
        stream: TokenStream [],
        span: #0 bytes(0..0),
    },
]