Macro dxgi_win::com_interface

macro_rules! com_interface {
    (
		$interface:ident ($vtbl:ident) : $pinterface:ident ($pvtbl:ident) {$(
			fn $method:ident(&mut self $(,$arg:ident : $argty:ty)*) -> $retty:ty
		),*}
	) => { ... };
}