private static SingularYield combine(
SingularYield lhs,
int rhs,
combineOperator op
) => new SingularYield(
type: lhs.type,
value: op.Invoke(lhs.value, rhs)
);
private static SingularYield combine(
SingularYield lhs,
SingularYield rhs,
combineOperator op
)
{
if (lhs.type != rhs.type)
{
throw new InvalidCastException();
}
return(new SingularYield(
type: lhs.type,
value: op.Invoke(lhs.value, rhs.value)
));
}
