module des.flow.signal; import des.flow.base; /// Control signals struct Signal { /// ulong code; pure nothrow @nogc: /// this( ulong code ) { this.code = code; } /// this( in Signal s ) { this.code = s.code; } } /// interface SignalProcessor { /++ +/ void processSignal( in Signal ); } /// interface SignalBus { /++ +/ void sendSignal( in Signal ); } unittest { assert( creationTest( Signal(0) ) ); }