Function evaluate_in

crates/gitql-engine/src/engine_evaluator.rs:562–576

(
    env: &mut Environment,
    expr: &InExpr,
    titles: &[String],
    object: &Vec<Box<dyn Value>>,
)

}

fn evaluate_in(
    env: &mut Environment,
    expr: &InExpr,
    titles: &[String],
    object: &Vec<Box<dyn Value>>,
) -> Result<Box<dyn Value>, String> {
    let argument = evaluate_expression(env, &expr.argument, titles, object)?;
    for value_expr in &expr.values {
        let value = evaluate_expression(env, value_expr, titles, object)?;
        if argument.equals(&value) {
            return Ok(Box::new(BoolValue::new(!expr.has_not_keyword)));
        }
    }
    Ok(Box::new(BoolValue::new(expr.has_not_keyword)))
}

fn evaluate_is_null(
    env: &mut Environment,