PRINT-BANG INPUT (DISPLAY): "hi" 1 + (25) + 1 (1 + 1)
PRINT-BANG INPUT (DEBUG): TokenStream [
    Literal {
        kind: Str,
        symbol: "hi",
        suffix: None,
        span: $DIR/nodelim-groups.rs:13:42: 13:46 (#3),
    },
    Group {
        delimiter: None,
        stream: TokenStream [
            Literal {
                kind: Integer,
                symbol: "1",
                suffix: None,
                span: $DIR/nodelim-groups.rs:17:16: 17:17 (#0),
            },
            Punct {
                ch: '+',
                spacing: Alone,
                span: $DIR/nodelim-groups.rs:17:18: 17:19 (#0),
            },
            Group {
                delimiter: Parenthesis,
                stream: TokenStream [
                    Literal {
                        kind: Integer,
                        symbol: "25",
                        suffix: None,
                        span: $DIR/nodelim-groups.rs:17:21: 17:23 (#0),
                    },
                ],
                span: $DIR/nodelim-groups.rs:17:20: 17:24 (#0),
            },
            Punct {
                ch: '+',
                spacing: Alone,
                span: $DIR/nodelim-groups.rs:17:25: 17:26 (#0),
            },
            Literal {
                kind: Integer,
                symbol: "1",
                suffix: None,
                span: $DIR/nodelim-groups.rs:17:27: 17:28 (#0),
            },
        ],
        span: $DIR/nodelim-groups.rs:13:47: 13:51 (#3),
    },
    Group {
        delimiter: Parenthesis,
        stream: TokenStream [
            Literal {
                kind: Integer,
                symbol: "1",
                suffix: None,
                span: $DIR/nodelim-groups.rs:13:53: 13:54 (#3),
            },
            Punct {
                ch: '+',
                spacing: Alone,
                span: $DIR/nodelim-groups.rs:13:55: 13:56 (#3),
            },
            Literal {
                kind: Integer,
                symbol: "1",
                suffix: None,
                span: $DIR/nodelim-groups.rs:13:57: 13:58 (#3),
            },
        ],
        span: $DIR/nodelim-groups.rs:13:52: 13:59 (#3),
    },
]
PRINT-BANG INPUT (DISPLAY): "hi" "hello".len() + "world".len() (1 + 1)
PRINT-BANG RE-COLLECTED (DISPLAY): "hi" "hello" . len() + "world" . len() (1 + 1)
PRINT-BANG INPUT (DEBUG): TokenStream [
    Literal {
        kind: Str,
        symbol: "hi",
        suffix: None,
        span: $DIR/nodelim-groups.rs:13:42: 13:46 (#8),
    },
    Group {
        delimiter: None,
        stream: TokenStream [
            Literal {
                kind: Str,
                symbol: "hello",
                suffix: None,
                span: $DIR/nodelim-groups.rs:13:47: 13:51 (#8),
            },
            Punct {
                ch: '.',
                spacing: Alone,
                span: $DIR/nodelim-groups.rs:13:47: 13:51 (#8),
            },
            Ident {
                ident: "len",
                span: $DIR/nodelim-groups.rs:13:47: 13:51 (#8),
            },
            Group {
                delimiter: Parenthesis,
                stream: TokenStream [],
                span: $DIR/nodelim-groups.rs:13:47: 13:51 (#8),
            },
            Punct {
                ch: '+',
                spacing: Alone,
                span: $DIR/nodelim-groups.rs:13:47: 13:51 (#8),
            },
            Literal {
                kind: Str,
                symbol: "world",
                suffix: None,
                span: $DIR/nodelim-groups.rs:13:47: 13:51 (#8),
            },
            Punct {
                ch: '.',
                spacing: Alone,
                span: $DIR/nodelim-groups.rs:13:47: 13:51 (#8),
            },
            Ident {
                ident: "len",
                span: $DIR/nodelim-groups.rs:13:47: 13:51 (#8),
            },
            Group {
                delimiter: Parenthesis,
                stream: TokenStream [],
                span: $DIR/nodelim-groups.rs:13:47: 13:51 (#8),
            },
        ],
        span: $DIR/nodelim-groups.rs:13:47: 13:51 (#8),
    },
    Group {
        delimiter: Parenthesis,
        stream: TokenStream [
            Literal {
                kind: Integer,
                symbol: "1",
                suffix: None,
                span: $DIR/nodelim-groups.rs:13:53: 13:54 (#8),
            },
            Punct {
                ch: '+',
                spacing: Alone,
                span: $DIR/nodelim-groups.rs:13:55: 13:56 (#8),
            },
            Literal {
                kind: Integer,
                symbol: "1",
                suffix: None,
                span: $DIR/nodelim-groups.rs:13:57: 13:58 (#8),
            },
        ],
        span: $DIR/nodelim-groups.rs:13:52: 13:59 (#8),
    },
]