Ether.State
class MonadState tag s m
type State tag r
type StateT tag s
type LazyState tag r
type LazyStateT tag s
type States s
type StatesT s
type MonadState' s
type State' s
type StateT' s
type LazyState' s
type LazyStateT' s
type ZoomT t z
data TAGGED e t
data STATE
data ZOOM t z