PRINT-BANG INPUT (DISPLAY): A
PRINT-BANG INPUT (DEBUG): TokenStream [
    Ident {
        ident: "A",
        span: #0 bytes(506..507),
    },
]
PRINT-ATTR INPUT (DISPLAY): const A : u8 = 0;
PRINT-ATTR INPUT (DEBUG): TokenStream [
    Ident {
        ident: "const",
        span: #3 bytes(419..424),
    },
    Ident {
        ident: "A",
        span: #0 bytes(506..507),
    },
    Punct {
        ch: ':',
        spacing: Alone,
        span: #3 bytes(427..428),
    },
    Ident {
        ident: "u8",
        span: #3 bytes(429..431),
    },
    Punct {
        ch: '=',
        spacing: Alone,
        span: #3 bytes(432..433),
    },
    Literal {
        kind: Integer,
        symbol: "0",
        suffix: None,
        span: #3 bytes(434..435),
    },
    Punct {
        ch: ';',
        spacing: Alone,
        span: #3 bytes(435..436),
    },
]
PRINT-DERIVE INPUT (DISPLAY): struct A {}
PRINT-DERIVE INPUT (DEBUG): TokenStream [
    Ident {
        ident: "struct",
        span: #3 bytes(471..477),
    },
    Ident {
        ident: "A",
        span: #0 bytes(506..507),
    },
    Group {
        delimiter: Brace,
        stream: TokenStream [],
        span: #3 bytes(481..483),
    },
]