Macro mango_smoothie::query_type

macro_rules! query_type {
    ({
        "selector" => {
            $(
                $key:expr => {
                    $comp:expr => $val:expr
                 }
             ),*
         }
    }) => { ... };
    ({
        "fields" => $fields:expr
    }) => { ... };
    ({
        "sort" => [$({$key:expr => $sort:expr}),*]
    }) => { ... };
    ({
        $section:expr => $fields:expr
    }) => { ... };
}

Used to create a BtreeMap for each query section