insertSections(_:beforeSection:)
Inserts the provided sections immediately before the section with the specified identifier in the snapshot.
Declaration
mutating func insertSections(_ identifiers: [SectionIdentifierType], beforeSection toIdentifier: SectionIdentifierType)Parameters
- identifiers:
The array of identifiers corresponding to the sections to add to the snapshot.
- toIdentifier:
The identifier of the section before which to insert the new sections.