span.expected

| ContravariantInterface<Base>[] | ReadOnlySpan<ContravariantInterface<Base>> |
| ContravariantInterface<Base>[] | ReadOnlySpan<ContravariantInterface<Derived>> |
| ContravariantInterface<Base>[] | Span<ContravariantInterface<Base>> |
| CovariantInterface<Derived>[] | ReadOnlySpan<CovariantInterface<Base>> |
| CovariantInterface<Derived>[] | ReadOnlySpan<CovariantInterface<Derived>> |
| CovariantInterface<Derived>[] | Span<CovariantInterface<Derived>> |
| InvariantInterface<Derived>[] | ReadOnlySpan<InvariantInterface<Derived>> |
| InvariantInterface<Derived>[] | Span<InvariantInterface<Derived>> |
| MixedInterface<Derived,Base>[] | ReadOnlySpan<MixedInterface<Base, Derived>> |
| MixedInterface<Derived,Base>[] | ReadOnlySpan<MixedInterface<Derived, Base>> |
| MixedInterface<Derived,Base>[] | Span<MixedInterface<Derived, Base>> |
| ReadOnlySpan<ContravariantInterface<Base>> | ReadOnlySpan<ContravariantInterface<Derived>> |
| ReadOnlySpan<CovariantInterface<Derived>> | ReadOnlySpan<CovariantInterface<Base>> |
| ReadOnlySpan<MixedInterface<Derived, Base>> | ReadOnlySpan<MixedInterface<Base, Derived>> |
| Span<ContravariantInterface<Base>> | ReadOnlySpan<ContravariantInterface<Base>> |
| Span<ContravariantInterface<Base>> | ReadOnlySpan<ContravariantInterface<Derived>> |
| Span<CovariantInterface<Derived>> | ReadOnlySpan<CovariantInterface<Base>> |
| Span<CovariantInterface<Derived>> | ReadOnlySpan<CovariantInterface<Derived>> |
| Span<InvariantInterface<Derived>> | ReadOnlySpan<InvariantInterface<Derived>> |
| Span<MixedInterface<Derived, Base>> | ReadOnlySpan<MixedInterface<Base, Derived>> |
| Span<MixedInterface<Derived, Base>> | ReadOnlySpan<MixedInterface<Derived, Base>> |
| Span<string> | ReadOnlySpan<string> |
| String[] | ReadOnlySpan<string> |
| String[] | Span<string> |
| string | ReadOnlySpan<char> |