Function innerList

http/unstable_structured_fields.ts:365–370

(
  items: Item[],
  parameters?: Iterable<[string, BareItem]>,
)

 * ```
 */
export function innerList(
  items: Item[],
  parameters?: Iterable<[string, BareItem]>,
): InnerList {
  return { items, parameters: new Map(parameters) };
}

// =============================================================================
// Type Guards