Function expect_token

nodedb-query/src/expr_parse/parser.rs:364–382

(
    tokens: &[Token],
    pos: &mut usize,
    kind: TokenKind,
    _expected: &str,
)

}

fn expect_token(
    tokens: &[Token],
    pos: &mut usize,
    kind: TokenKind,
    _expected: &str,
) -> Result<(), ExprParseError> {
    if *pos < tokens.len() && tokens[*pos].kind == kind {
        *pos += 1;
        Ok(())
    } else {
        let got = tokens
            .get(*pos)
            .map_or_else(|| "EOF".to_string(), |t| t.text.clone());
        Err(ExprParseError::UnexpectedToken {
            found: got,
            pos: *pos,
        })
    }
}

// ── Validation ────────────────────────────────────────────────────────