Kolin Modifiers

Transcript

1. Kolin Modifiers ,PUMJOͷ-5ձʂ,PUMJOೖ໳ऀͷू͍
   

2. Name: Company: Role: Language: Kotlin: ͖ͩ͠ ServerSideEngineer, BridgeEngineer Java 1.0͘Β͍͔Β

3. None
4. None

5. ,PUMJOʹ͸ؔ਺ʹ͚ͭΔ͜ͱ͕Ͱ͖Δ
   .PEJpFS म০ࢠ ͕͍Ζ͍Ζ͋Δ

6. ‣ infix ‣ inline ‣ noinline ‣ crossinline ‣ reified

   ‣ tailrec

7. ͜ΕΒΛઆ໌͠·͢

8. 7JTJCJMJUZ
   .PEJpFST͸άά͍ͬͯͩ͘͞

9. infix

10. Ҿ਺͕ͭͷϝιουΛ
    ׅހͳ͠Ͱ࢖͑ΔΑ͏ʹ͢Δ

11. None

12. infix Modifier

13. StringΫϥεͷ֦ுؔ਺

14. Ҿ਺͸Ұͭ

15. ͜Μͳ෩ʹ࢖͑Δ

16. w ϝϯόؔ਺·ͨ͸֦ுؔ਺
    w Ҿ਺͕ͭ
    w infixΛؔ਺ʹ͚ͭΔ ࢖༻৚݅

17. ΋ͪΖΜͭͳ͛ͯ΋࢖͑Δ

18. ͜ΕΛ

19. ͜͏ͯ͠

20. ͜ΕΛ

21. ͜͏͢Δ

22. ͪͳΈʹ

23. ͜Ε͸ͩΊ

24. ͜Ε͸0,

25. inline

26. 'VODUJPO
    MJUFSBMΛΠϯϥΠϯల։͢Δ͜ͱͰ
    ࣮ߦ࣌ͷΦʔόʔϔουΛݮΒ͠
    ύϑΥʔϚϯεΛ޲্ͤ͞Δ

27. None

28. 'VODUJPO
    MJUFSBMΛΠϯϥΠϯల։͢Δ͜ͱͰ
    ࣮ߦ࣌ͷΦʔόʔϔουΛݮΒ͠
    ύϑΥʔϚϯεΛ޲্ͤ͞Δ

29. 'VODUJPO
    MJUFSBMΛΠϯϥΠϯల։͢Δ͜ͱͰ
    ࣮ߦ࣌ͷΦʔόʔϔουΛݮΒ͠
    ύϑΥʔϚϯεΛ޲্ͤ͞Δ

30. 'VODUJPO
    MJUFSBMͱ͸ʁ

31. None

32. ແ໊ؔ਺΍

33. ϥϜμࣜͰ౉͞ΕΔ ؔ਺ͷ͜ͱ

34. ΠϯϥΠϯల։ͱ͸ʁ

35. ؆୯ͳൺֱͰઆ໌

36. None

37. StringΫϥεͷ֦ுؔ਺

38. StringΛҾ਺ʹͱͬͯStringΛฦؔ͢਺

39. Ҿ਺ͷؔ਺Λ࣮ߦͯ͠ɺtoUpperCase()ͯ͠ฦ͢

40. inline Modifier

41. ͦΕҎ֎͸Ұॹ

42. None

43. ݁Ռ͸ಉ͡
    

44. None

45. ͦΕͧΕ࣮ߦ࣌ʹͲ͏ͳΔͷ͔ʁ

46. inlineແ͠ /* ཧղ͠΍͍͢Α͏ʹKotlinͰ؆ུԽͯ͠આ໌͠·͢ */

47. inlineແ͠ /* ཧղ͠΍͍͢Α͏ʹKotlinͰ؆ུԽͯ͠هड़͍ͯ͠·͢ */

48. SFDFJWFSͷ஋Λ֨ೲ inlineແ͠ /* ཧղ͠΍͍͢Α͏ʹKotlinͰ؆ུԽͯ͠هड़͍ͯ͠·͢ */

49. ֦ுؔ਺ͱಉ໊͡લͷؔ਺͕࡞੒͞Εݺ͹ΕΔ inlineແ͠ /* ཧղ͠΍͍͢Α͏ʹKotlinͰ؆ུԽͯ͠هड़͍ͯ͠·͢ */

50. ୈҰҾ਺ʹSFDFJWFS inlineແ͠ /* ཧղ͠΍͍͢Α͏ʹKotlinͰ؆ུԽͯ͠هड़͍ͯ͠·͢ */

51. ؔ਺ΦϒδΣΫτͷΠϯελϯεΛ࡞੒ׂͯ͠Γ౰ͯ inlineແ͠ /* ཧղ͠΍͍͢Α͏ʹKotlinͰ؆ུԽͯ͠هड़͍ͯ͠·͢ */

52. /* આ໌ͷͨΊʹ؆ུతʹهड़ͨ͠ΫϥεͰ͢ */ inlineແ͠

53. JOWPLFͱ͍͏ϝιουΛ΋ͭ /* આ໌ͷͨΊʹ؆ུతʹهड़ͨ͠ΫϥεͰ͢ */ inlineແ͠

54. த਎͸ϥϜμࣜͰ౉ͨ͠ॲཧ /* આ໌ͷͨΊʹ؆ུతʹهड़ͨ͠ΫϥεͰ͢ */ inlineແ͠

55. /* આ໌ͷͨΊʹ؆ུతʹهड़ͨؔ͠਺Ͱ͢ */ inlineແ͠

56. ϥϜμࣜͰ౉ͨ͠ॲཧΛ΋ͭΠϯελϯε /* આ໌ͷͨΊʹ؆ུతʹهड़ͨؔ͠਺Ͱ͢ */ inlineແ͠

57. ϥϜμࣜͰ౉ͨ͠ॲཧΛ࣮ߦ /* આ໌ͷͨΊʹ؆ུతʹهड़ͨؔ͠਺Ͱ͢ */ inlineແ͠

58. toUpperCase()Λͯ͠ฦ͢ /* આ໌ͷͨΊʹ؆ུతʹهड़ͨؔ͠਺Ͱ͢ */ inlineແ͠

59. inlineແ͠ /* ཧղ͠΍͍͢Α͏ʹKotlinͰ؆ུԽͯ͠هड़͍ͯ͠·͢ */

60. ϝιουݺͼग़͠ͷίετ inlineແ͠ /* ཧղ͠΍͍͢Α͏ʹKotlinͰ؆ུԽͯ͠هड़͍ͯ͠·͢ */

61. Πϯελϯεੜ੒ͷίετ inlineແ͠ /* ཧղ͠΍͍͢Α͏ʹKotlinͰ؆ུԽͯ͠هड़͍ͯ͠·͢ */

62. None

63. /* ཧղ͠΍͍͢Α͏ʹKotlinͰ؆ུԽͯ͠આ໌͠·͢ */ inline͋Γ

64. inline͋Γ /* ཧղ͠΍͍͢Α͏ʹKotlinͰ؆ུԽͯ͠هड़͍ͯ͠·͢ */

65. ಉ͡ inline͋Γ /* ཧղ͠΍͍͢Α͏ʹKotlinͰ؆ུԽͯ͠هड़͍ͯ͠·͢ */

66. ϥϜμࣜͰ౉ͨ͠ॲཧ inline͋Γ /* ཧղ͠΍͍͢Α͏ʹKotlinͰ؆ུԽͯ͠هड़͍ͯ͠·͢ */

67. toUpperCase()ͯ͠ऴΘΓ inline͋Γ /* ཧղ͠΍͍͢Α͏ʹKotlinͰ؆ུԽͯ͠هड़͍ͯ͠·͢ */

68. ΠϯϥΠϯల։ inline͋Γ /* ཧղ͠΍͍͢Α͏ʹKotlinͰ؆ུԽͯ͠هड़͍ͯ͠·͢ */

69. 'VODUJPO
    MJUFSBMΛΠϯϥΠϯల։͢Δ͜ͱͰ
    ࣮ߦ࣌ͷΦʔόʔϔουΛݮΒ͠
    ύϑΥʔϚϯεΛ޲্ͤ͞Δ

70. Πϯελϯεͷੜ੒ίετ
    ϝιουݺͼग़͠ͷίετ

71. Πϯελϯεͷੜ੒ίετ
    ϝιουݺͼग़͠ͷίετ

72. None

73. ؔ࿈͢Δಛ௃

74. ϥϜμࣜͷதͰreturnΛ࢖ͬͯ
    ݺͼग़͠ݩͷؔ਺Λൈ͚Δ͜ͱ͕Ͱ͖Δ

75. inlineͳ͠

76. None

77. ίϯύΠϧΤϥʔ

78. ͜ͷதͰݺͼग़͠ݩͷؔ਺͔Βൈ͚Α͏ͱ͢Δ

79. inline͋Γ

80. None

81. σϑΥϧτͰinlineʹͳΒͳ͍ͷ͸ͳͥʜ

82. ΠϯϥΠϯԽ͢Δؔ਺͕େ͖͍ͱ
    ੜ੒͞ΕΔίʔυ͕ංେԽ͢ΔՄೳੑ͕͋Δ

83. ϥϜμࣜ಺Ͱͷreturn͕ޡղΛট͖΍͍͢ /* ͜Ε͸ओ؍Ͱ͢ */

84. noinline

85. ΠϯϥΠϯԽ͠ͳ͍ؔ਺ΛࢦఆͰ͖Δ

86. None

87. noinline Modifier

88. ͜ͷؔ਺͸ΠϯϥΠϯల։͞Εͳ͍

89. ͬͪ͜ͷؔ਺͸ΠϯϥΠϯల։͞ΕΔ

90. crossinline

91. Ҿ਺ͷؔ਺Λinlineؔ਺಺Ҏ֎ͷจ຺Ͱ
    ࣮ߦͰ͖ΔΑ͏ʹ͢Δ

92. None
93. None

94. ౉͞Εͨؔ਺Λ

95. Invokableܕͷಗ໊Ϋϥεͷ

96. injectedFunction()ͱ͍͏ϝιουͷ࣮૷ʹ࢖͍͍ͨ

97. abstract class Invokable { fun invoke(arg: String): String { val

    before = doSomethingBefore(arg) val injected = injectedFunction(before) return doSomethingAfter(injected) } abstract fun injectedFunction(arg: String): String fun doSomethingBefore(arg: String) = "before$arg" fun doSomethingAfter(arg: String) = "${arg}after" }

98. abstract class Invokable { fun invoke(arg: String): String { val

    before = doSomethingBefore(arg) val injected = injectedFunction(before) return doSomethingAfter(injected) } abstract fun injectedFunction(arg: String): String fun doSomethingBefore(arg: String) = "before$arg" fun doSomethingAfter(arg: String) = "${arg}after" } injectedFunction()ͱ͍͏abstractϝιου

99. abstract class Invokable { fun invoke(arg: String): String { val

    before = doSomethingBefore(arg) val injected = injectedFunction(before) return doSomethingAfter(injected) } abstract fun injectedFunction(arg: String): String fun doSomethingBefore(arg: String) = "before$arg" fun doSomethingAfter(arg: String) = "${arg}after" } invoke()ͱ͍͏ϝιουͷதͰ

100. abstract class Invokable { fun invoke(arg: String): String { val

     before = doSomethingBefore(arg) val injected = injectedFunction(before) return doSomethingAfter(injected) } abstract fun injectedFunction(arg: String): String fun doSomethingBefore(arg: String) = "before$arg" fun doSomethingAfter(arg: String) = "${arg}after" } ࢖͏

101. ίϯύΠϧΤϥʔ

102. None
103. None

104. crossinline Modifier

105. ࢖͑Δ

106. reified

107. inlineؔ਺಺Ͱ
     ܕύϥϝʔλʹΞΫηεՄೳʹ͢Δ

108. ܕύϥϝʔλ

109. ClassΫϥεΛҾ਺ʹऔΔ

110. ಉ͡ܕͷListΛฦ͢

111. ౉͞ΕͨํʹΑͬͯॲཧΛ෼͚Δ

112. None
113. None
114. None

115. inline Modifier

116. reified Modifier

117. Ҿ਺͸ແ͠

118. ܕύϥϝʔλ͕ར༻Ͱ͖Δ

119. None

120. ܕΛએݴ͢Δ

121. Ҿ਺ͳ͠Ͱ࣮ߦ

122. ܕΛਪ࿦͢Δ

123. ܕΛࢦఆ࣮ͯ͠ߦ

124. None
125. None

126. ActivityΫϥεͷ֦ுؔ਺

127. reifiedΛ͚ͭͯΞΫηεՄೳʹ

128. Activity.findViewById()ͷ໭Γ஋Λ

129. ܕύϥϝʔλͰࢦఆ͞ΕΔܕʹΩϟετͯ͠ฦ͢

130. ܕએݴΛ͢Δ

131. ຖճΩϟετΛॻ͘ඞཁ͕ͳ͘ͳΔ

132. None

133. tailrec

134. ຤ඌ࠶ؼͳؔ਺ͷ࣮ߦΛ࠷దԽ͢Δ

135. ຤ඌ࠶ؼ

136. wؔ਺ܕݴޠͰΑ͘ݟΔελΠϧ
     wϧʔϓͷॲཧΛ୅ସ͢Δ
     wؔ਺ͷ࠷ޙʹࣗ਎Λݺͼग़͢

137. None

138. tailrec Modifier

139. දࣔ͢Δϝοηʔδ

140. දࣔ͢Δճ਺

141. ճ਺͕0ҎԼͷ࣌͸return

142. ϝοηʔδΛදࣔͯ͠

143. ճ਺ΛݮΒͯࣗ͠਎Λݺͼग़͢

144. tailrecແ͠Ͱ΋ίϯύΠϧͰ͖Δ

145. ͳʹ͕ҧ͏ͷ͔ʁ

146. tailrecແ͠ͷ৔߹

147. None

148. ίϯύΠϧ͞Εͯ΋΄΅ಉ͡

149. 4UBDL0WFS'MPX͕ى͖ΔՄೳੑ͕ߴ͍

150. None

151. tailrec͋Γͷ৔߹

152. while͕࣮ߦ͞ΕΔ

153. ࣗ਎Λݺͼग़͞ͳ͍

154. 4UBDL0WFS'MPX͕ى͖ΔՄೳੑ͕௿͘ͳΔ

155. None

156. 4UBDL0WFS'MPX͕ى͖ͳ͍Θ͚Ͱ͸ͳ͍

157. Ҏ্

158. &OKPZ
     ,PUMJO