Update this item of state to the value u
at parameter t
.
Update this item of state to the value u
at parameter t
. The update
is actually delayed until the end of the step when all updates in that
step happen simultaneously (along with consistency checking). The
state value only becomes defined when this latter process happens.
Equality on the underlying value.
Equality on the underlying value. If this state item is undefined then it is not equal to anything.
Make a printable representation of the value of the parameterised state item that would be updated.
Make a printable representation of the value of the parameterised state item that would be updated. Used particularly to access the value of a parameterised state item.
Utility class for updaters for values of parameterised state.