PRINT-BANG INPUT (DISPLAY): A
PRINT-BANG INPUT (DEBUG): TokenStream [
    Ident {
        ident: "A",
        span: #0 bytes(508..509),
    },
]
PRINT-ATTR INPUT (DISPLAY): const A : u8 = 0;
PRINT-ATTR INPUT (DEBUG): TokenStream [
    Ident {
        ident: "const",
        span: #3 bytes(421..426),
    },
    Ident {
        ident: "A",
        span: #0 bytes(508..509),
    },
    Punct {
        ch: ':',
        spacing: Alone,
        span: #3 bytes(429..430),
    },
    Ident {
        ident: "u8",
        span: #3 bytes(431..433),
    },
    Punct {
        ch: '=',
        spacing: Alone,
        span: #3 bytes(434..435),
    },
    Literal {
        kind: Integer,
        symbol: "0",
        suffix: None,
        span: #3 bytes(436..437),
    },
    Punct {
        ch: ';',
        spacing: Alone,
        span: #3 bytes(437..438),
    },
]
PRINT-DERIVE INPUT (DISPLAY): struct A {}
PRINT-DERIVE INPUT (DEBUG): TokenStream [
    Ident {
        ident: "struct",
        span: #3 bytes(473..479),
    },
    Ident {
        ident: "A",
        span: #0 bytes(508..509),
    },
    Group {
        delimiter: Brace,
        stream: TokenStream [],
        span: #3 bytes(483..485),
    },
]