//! A module that adapts the ratman layer to RstNodeusenetmod_mem::MemMod;/// A pair of exits, connectedpubstructIo{a: MemMod,b: MemMod,}implIo{fnnew()-> Self{Self::default()}}implDefaultforIo{fndefault()-> Self{let(a,b)=MemMod::make_pair();Self{a,b}}}