macro_rules! define_system_states { ($state_old:ty, $state_new:ty) => { ... }; }
Expand description
Define type aliases for system actor State
types before and after the
state migration, namely SystemStateOld
and SystemStateNew
macro_rules! define_system_states { ($state_old:ty, $state_new:ty) => { ... }; }
Define type aliases for system actor State
types before and after the
state migration, namely SystemStateOld
and SystemStateNew