public bool Equals(StatePayload <TState, TValue> other)
{
#if PayloadAsClass
other.ContractedNotNull("other");
#endif
return(this.Value.Equals(other.Value) && this.State.Equals(other.State));
}
public static State <TState, TValue> ToState(StatePayload <TState, TValue> payload)
{
#if PayloadAsClass
payload.ContractedNotNull("payload");
#endif
Contract.Ensures(Contract.Result <State <TState, TValue> >() != null);
return(s => payload);
}
/// <summary>Generates an unending stream of successive StatePayload&TState,T> objects.</summary>
public static IEnumerable <StatePayload <TState, TValue> > Enumerate <TState, TValue>(this
State <TState, TValue> @this,
TState startState
)
{
@this.ContractedNotNull("this");
Contract.Ensures(Contract.Result <IEnumerable <StatePayload <TState, TValue> > >() != null);
var payload = new StatePayload <TState, TValue>(startState, default(TValue));
while (true)
{
yield return(payload = @this(payload.State));
}
}
[Pure] bool IEquatable <StatePayload <TState, TValue> > .Equals(StatePayload <TState, TValue> other)
{
return(this.Equals(other));
}