Update index.html
Update index.html
Merge pull request #1897 from ankurp/master

Including Swift Port in Links & Suggested Reading
Unrevert "Result fallback can be a function" PR #1900

This reverts commit 40e8517c8318553ec94b656a6b829d4768c1e046.
Implement findKey and findIndex helpers
find*: style tweak and test coverage
Merge pull request #1587 from megawac/find-index

Add _.findKey and _.findIndex