Macro macos_spotify::call

macro_rules! call {
    ( $obj:ident, $type:ident ) => { ... };
    ( $obj:ident, $type:ident, $param:expr ) => { ... };
    ( $obj:ident, $type:ident, $param:expr, $( $ts:ident : $pars:expr ),+ ) => { ... };
}