Contents

isValid(within:)

Indicates whether the index is valid for use with the provided discontiguous attributed string.

Declaration

func isValid(within text: DiscontiguousAttributedSubstring) -> Bool

Parameters

  • text:

    A discontiguous attributed string used to validate the index.

Return Value

true when the index is valid for use with the provided discontiguous attributed string; otherwise, false. An index is valid if it is both within the bounds of the discontiguous attributed string and was produced from the provided string without any intermediate mutations.