The GitHub page for CalendarKit specifies that the setting for Swift 3 is:
pod 'CalendarKit', '0.1.22'
but that throws an error:
[!] Unable to satisfy the following requirements: -
CalendarKit (= 0.1.22)required byPodfileNone of your spec sources contain a spec satisfying the dependency:CalendarKit (= 0.1.22).You have either:
* out-of-date source repos which you can update withpod repo updateor withpod install --repo-update.
The information they provided is incorrect, their Podspec is not up to date. You should specify the git and the commit for 0.1.22 in your Podfile to download
CalendarKitfor Swift 3: