ethrows -> [ArraySlice&lt;Self.Element>]</code></div></div><div id="starts_with_by-b931922bf9dff1a2b19b00a66517d488" class="declaration"><a class="toggle-link" href="#comment-starts_with_by-b931922bf9dff1a2b19b00a66517d488">func starts(with possiblePrefix: PossiblePrefix, by areEquivalent: (Self.Element, PossiblePrefix.Element) throws -> Bool) rethrows -> Bool</a> <span class="required">Required</span><div class="comment collapse in" id="comment-starts_with_by-b931922bf9dff1a2b19b00a66517d488"><p>Returns a 