public bool Equals(SuspendedResult <TToken, T> other) => this.Rest == other.Result && this.Rest == other.Rest;
private static ParsecStateStream <TToken, TPosition> Tokenize <TInput, TToken, TPosition>(IDisposable?resource, SuspendedResult <TInput, TToken> state, Parser <TInput, TToken> parser, TPosition position)
where TPosition : IPosition <TToken, TPosition>
=> state.Result.CaseOf <ParsecStateStream <TToken, TPosition> >(