Escaping Closures in Swift - 公司內分享會

481a04548eda340e5cf166b487792ee5?s=47 Li-Hsuan Chen
September 23, 2016
Programming
1
130

Escaping Closures in Swift - 公司內分享會

481a04548eda340e5cf166b487792ee5?s=128

Li-Hsuan Chen

September 23, 2016
Tweet

Want more?

481a04548eda340e5cf166b487792ee5?s=48 vc7
2
320
481a04548eda340e5cf166b487792ee5?s=48 vc7
0
140
481a04548eda340e5cf166b487792ee5?s=48 vc7
0
330
3ab1249be442027903e1180025340b3f?s=48 reverentgeek
4
210
A9a491b0fcbe0fbce3d64063a37add99?s=48 rmw
1
110
766b9746b59e6f09e280cd33cf4ed419?s=48 skipperchong
0
87
61857dafbd287b3027c4dcea9008ad3c?s=48 carmenhchung
5
190
06f8b41980eb4c577fa40c41d5030c19?s=48 keathley
5
170
C0390e8b11079f8761c0cd3274ed61cb?s=48 productmarketing
2
230
C35e01544a0dd94a2cf1619ee8a42ebb?s=48 clairelew
3
460
6bb82b13cda86d3b821fa44100335ddf?s=48 thoeni
1
120
B3ace07412a5178ea778e7eec161fc0a?s=48 jcasabona
4
210

Transcript

  1. 1.

    &TDBQJOH$MPTVSFT  ꤫խ愴蠩 @escaping

  2. 2.

    䖰ㆭ酭鷗鷗⿡ㆭ酭

  3. 3.

    殹DMPTVSF⡲捀⿮侸⫄Ⰵ♧⦐NFUIPE儘 鸏⦐DMPTVSF剚㖈NFUIPE㛂遤㸤䧭䖕 䩞剚鄄㛂遤儘㽠䗳갭䭸㹁䧭FTDBQJOHDMPTVSF

  4. 4.

    ⾲㨥䞕㞯 雊䧮⦛⢵䢩䢩⸈匌銯

  5. 5.

    class A { func someMethod(closure: () -> Void) { closure()

    } } 鸏♧媯♶剚剤DPNQJMFSFSSPS
  6. 6.

    䞕㞯♧ 鸏⦐DMBTT剤⦐荈㹁纏涸RVFVF ⢵嶋⻋♶ずNFUIPE⫄Ⰵ涸DMPTVSFT

  7. 7.

    class A { var closures: [() -> Void]? = []

    func someMethod(closure: () -> Void) { self.closures?.append(closure) } } 㖈4XJGUⴀ⢵⟃⵹鸏媯♶剚剤㉏겗
  8. 8.

    class A { var closures: [() -> Void]? = []

    func someMethod(closure: () -> Void) { self.closures?.append(closure) } }
  9. 9.
    None
  10. 10.

    class A { var closures: [() -> Void]? = []

    func someMethod(closure: @escaping () -> Void) { self.closures?.append(closure) } }
  11. 11.

    㼭穡 • @escaping ˖ ⫄ⰅNFUIPE涸DMPTVSF㥶卓銴㖈NFUIPE GVODUJPO涸SFUVSO䖕䩞㛂遤㽠䗳갭銴⸈♳ @escaping ˖ @noescapeJNQMJDJUMZ ˖

    DMPTVSF⡲捀⿮侸갸鏤鿪僽@noescape
  12. 12.

    䞕㞯✳ 䧮欽痧♲倰MJCSBSZ涸NFUIPE FH"MBNPSF

  13. 13.

    〫銴➮剤FTDBQJOH ⡹㽠銴騈衽!FTDBQJOH

  14. 14.

    class B { var closures: [() -> Void]? = []

    func anotherMethod(closure: @escaping () -> Void) { self.closures?.append(closure) } }
  15. 15.

    class A { func someMethod(closure: () -> Void) { B().anotherMethod(closure:

    closure) } } class B { var closures: [() -> Void]? = [] func anotherMethod(closure: @escaping () -> Void) { self.closures?.append(closure) } } 㖈4XJGUⴀ⢵⟃⵹鸏垺㻨♶剚剤㉏겗
  16. 16.

    class A { func someMethod(closure: () -> Void) { B().anotherMethod(closure:

    closure) } } class B { var closures: [() -> Void]? = [] func anotherMethod(closure: @escaping () -> Void) { self.closures?.append(closure) } }
  17. 17.
    None
  18. 18.

    class A { func someMethod(closure: @escaping () -> Void) {

    B().anotherMethod(closure: closure) } } class B { var closures: [() -> Void]? = [] func anotherMethod(closure: @escaping () -> Void) { self.closures?.append(closure) } }
  19. 19.

    籏穡♧♴

  20. 20.

    䖰ㆭ酭鷗鷗⿡ㆭ酭

  21. 21.

    鷗ⴀ㛂遤涸眕㕠

  22. 22.

    Ⱖ➮ ˖ 〳⟃鍑对SFUBJODZDMF涸㉏겗 4&  䖊㻜뀿  ˖ OPFTDBQFDMPTVSFTIBWFBMTPBMXBZTCFFOUIF QSFGFSSFEEFGBVMU

    TJODFUIFZFMJNJOBUFBDMBTT PGSFUBJODZDMFJTTVFT ˖ QSPUPDPM涸㹁纏 ˖ 㥶卓㻜⡲QSPUPDPM涸倰岁儘꨾銴⸈!FTDBQJOH  QSPUPDPM⚥鑪倰岁涸㹁纏⛳銴⸈♳
  23. 23.

    5IBOL:PV