Meseery
/ Awesome Swift Optional
Last active
February 15, 2017 02:32
Two blocks for any optional :one if nil and another if not .. simple nil checking !
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| `extension Optional { | |
| // `ifNotNil` function executes the closure if there is some value | |
| func ifNotNil(_ handler: (Wrapped) -> Void, ifNil failure: () -> Void) { | |
| switch self { | |
| case .some(let wrapped): return handler(wrapped) | |
| case .none:return failure() | |
| } | |
| } | |
| }` |