[Repo Assist] feat: add map, filter, iter, exists, forall, toArray to DList#246

gdziadkiewicz merged 3 commits intomasterfsprojects/FSharpx.Collections:masterfrom

repo-assist/improve-dlist-map-filter-iter-152-a95e6e8df17c5a51fsprojects/FSharpx.Collections:repo-assist/improve-dlist-map-filter-iter-152-a95e6e8df17c5a51Copy head branch name to clipboard