ios - Conditional cast from 'UIButton' to 'UIButton' always succeeds -


i'm newer on ios , when download other workspaces xcodes, give warnings on project,anyone helps ? thanks!!! don't decrease score, has been time newer? code

let button = uibutton(type: uibuttontype.system) as? uibutton

you don't need cast. swift can deduce type in case. enough:

let button = uibutton(type: .system)

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