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Swift!?->

Sponsored · Ship Features Fearlessly Turn features on and off without deploys. Used by thousands of Ruby developers. →
Avatar for uk_oasis uk_oasis
August 07, 2014
Programming
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0

 Swift!?->

swiftの記号が気になったので調べてみました

Avatar for uk_oasis

uk_oasis

August 07, 2014

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Transcript

  1. SWIFT!?->

  2. Swift͸ɺΞοϓϧͷiOS͓Α ͼOS XͷͨΊͷϓϩάϥϛϯ άݴޠɻWorldwide Developers Conference (WWDC) 2014Ͱൃද͞Ε(ry by wikipedia

  3. !

  4. ?

  5. ->

  6. ه߸͕ଟ͍ʂʂ

  7. ҙຯΛௐ΂ͯΈͨ

  8. ?

  9. nilΛڐ༰͢Δ var optional: String = nil // error var optional:

    String? = nil

  10. !

  11. ->

  12. ଓ͖͸࣍ճɾɾ