Return the input state without modifying it.
Return the input state without modifying it.
Inspect a value from the input state, without modifying the state.
Inspect a value from the input state, without modifying the state.
Modify the input state and return Unit.
Modify the input state and return Unit.
Return a
and maintain the input state.
Return a
and maintain the input state.
Set the state to s
and return Unit.
Set the state to s
and return Unit.