apply() 要らなくない?

2017年の夏のKotlin LT祭での発表資料です。
https://kotlin.connpass.com/event/61427/

Transcript

1. BQQMZ
   銲׵זֻזְ 똲歊
   㛇
2. 荈䊹稱➜
3. 荈䊹稱➜ ˖ せ⵸
   똲歊
   㛇
   
   ˖ 5XJUUFS
   !XN
   ˖ "OESPJE
   ؒٝآص،
   J04
   瘝׮װ׷
   ˖ 3PPN$MJQ
   הְֲ؎ٝذٔ،ⱖ溪ך
   $(.
   ׾Ꟛ涪⚥
4. (PPHMF
   *0
   
   ך傈ח
   ,PUMJO
   䱰欽׃ת׃׋
5. ֿ׸ַ׵
 ,PUMJO
   娖♲٠剢ך
 蕯鰳罏ָז׿ַ鎉ְתׅ
6. ➙傈鎉ְ׋ְ✲
8. BQQMZ
9. 銲׵זֻזְ
11. BQQMZ
12. أ؝٦فꟼ侧ך♧א
    ⴱ劍⻉ָٖؒؖٝز
    ח剅ֽ׷
13. BQQMZ
    ⢪׻זְה // { "key1": 1, "key2": 8 } // ΛҾ਺ʹͯؔ͠਺Λݺͼ͍ͨ val map = Bundle() map.putInt("key1", 1) map.putInt("key2", 8) someFunction(map)
14. BQQMZ
    ⢪ֲה // { "key1": 1, "key2": 8 } // ΛҾ਺ʹͯؔ͠਺Λݺͼ͍ͨ someMethod(Bundle().apply { putInt("key1", 1) putInt("key2", 8) })
15. 瀉ְ
    
16. ֶ׃ׯ׸
    
17. ,PUMJO
    ז׵דכ
    ˟
    הְֲ״׶
    +BWB
    4XJGU
    鴟׶חכזְ
18. ד׮✉欽ׅ׷ה
    汤ְ湡鋅׉ֲ
20. ㄎן⳿׃㼎韋ָ
    ♶僇然ח
21. ⢽
22. ⢽ class Point { var x = 0; var y = 0 } var y = 0 // ม਺એݴ val p = Point().apply { x = 3 y = 4 // Ͳͬͪͷ y? } println("p = (${p.x}, ${p.y})") // p = (3, 4) Λग़ྗͦ͠͏
23. ⢽ class Point { var x = 0; var y = 0 } var y = 0 // ม਺એݴ val p = Point().apply { x = 3 y = 4 // Ͳͬͪͷ y? } println("p = (${p.x}, ${p.y})") // p = (3, 0) Λग़ྗ (※)
24. ➿剏周
25. BMTP
26. ➿剏周 class Point { var x = 0; var y = 0 } var y = 0 val p = Point().apply { x = 3 y = 4 } println("p = (${p.x}, ${p.y})") // p = (3, 0) Λग़ྗ
27. ➿剏周 BMTP class Point { var x = 0; var y = 0 } var y = 0 val p = Point().also { it.x = 3 it.y = 4 } println("p = (${p.x}, ${p.y})") // p = (3, 4) Λग़ྗ
28. せ⵸➰ֹ䒷侧
29. ➿剏周 class Point { var x = 0; var y = 0 } var y = 0 val p = Point().apply { x = 3 y = 4 } println("p = (${p.x}, ${p.y})") // p = (3, 0) Λग़ྗ
30. ➿剏周 せ⵸➰ֹ䒷侧 class Point(val x: Int, val y: Int) var y = 0 val p = Point( x = 3, y = 4 ) println("p = (${p.x}, ${p.y})") // p = (3, 4) Λग़ྗ
31. 猘鋅
32. BQQMZ
    ״׶
    BMTP 
 ך倯ָ㸜Ⰻ
33. ➙儗ךⶰ⡲欽ָ㼰זְ
    鏣鎘أة؎ٕז׵
    ⢪ֲ堣⠓ָקרזְ
34. את׶
35. BQQMZ
    SVO
    XJUI
    כ
    MFU
    BMTP
    ד➿欽
36. דְְךדכ
38. ׀䠐鋅⹫꧊⚥
39. ΤϯδχΞืूத ͓ؾܰʹ࿈བྷ͍ͩ͘͞ʂ