Macro call_static_method

macro_rules! call_static_method {
    (
        {{$func_name:ident, {$($ret:tt)*}, {$($args:tt)*}}},
        {$($class:ident).+},
        {$env:expr} $(, $method_args:expr)*
    ) => { ... };
    ($env:expr, {$($class:ident).+}, {$($method:tt)*} $(, $args:expr)*) => { ... };
    (
        $env:expr,
        $class_name:expr,
        $func_name:expr,
        {{$($ret:tt)*}, {$($args:tt)*}}
        $(, $method_args:expr)*
    ) => { ... };
}