Idio~ma~tic Kotlin (droidcon London 2019)

‘Idiomatic’ is a word often used by Kotlin experts to describe elegant patterns or solutions that make excellent use of Kotlin’s features. Let’s turn this attitude around for a change, and have some fun by taking a look at the worst ways you can twist and abuse language features to take shortcuts, create tricky solutions, achieve exciting syntax, or confuse others who dare enter your codebase.

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1. tic Kotlin ma Idio Márton Braun zsmb.co zsmb13 braun.marton@autsoft.hu
2. Idiotic Kotlin Márton Braun zsmb.co zsmb13 braun.marton@autsoft.hu
3. Odd operations
15. https://leanpub.com/effectivekotlin
16. https://leanpub.com/effectivekotlin
17. https://leanpub.com/effectivekotlin
18. https://leanpub.com/effectivekotlin
19. https://leanpub.com/effectivekotlin
20. https://leanpub.com/effectivekotlin
21. https://leanpub.com/effectivekotlin
22. https://leanpub.com/effectivekotlin
23. https://leanpub.com/effectivekotlin
24. https://todd.ginsberg.com/post/kotlin-random-extension/
25. ＼ ツ ／ https://todd.ginsberg.com/post/kotlin-random-extension/
26. ＼ ツ ／ ＼ ツ ／ https://todd.ginsberg.com/post/kotlin-random-extension/
27. ＼ ツ ／ ＼ ツ ／ https://todd.ginsberg.com/post/kotlin-random-extension/
28. ＼ ツ ／ ＼ ツ ／ ＼ ツ ／ https://todd.ginsberg.com/post/kotlin-random-extension/
29. ＼ ツ ／ https://todd.ginsberg.com/post/kotlin-random-extension/ ＼ ツ ／
30. https://todd.ginsberg.com/post/kotlin-random-extension/ ＼ ツ ／
31. https://todd.ginsberg.com/post/kotlin-random-extension/ ＼ ツ ／
32. https://todd.ginsberg.com/post/kotlin-random-extension/ ＼ ツ ／
33. https://todd.ginsberg.com/post/kotlin-random-extension/ ＼ ツ ／
34. Spam
35. https://zsmb.co/talks/#typical-kotlin
36. https://zsmb.co/talks/#typical-kotlin
37. https://zsmb.co/talks/#typical-kotlin
38. https://zsmb.co/talks/#typical-kotlin
39. https://zsmb.co/talks/#typical-kotlin
40. https://zsmb.co/talks/#typical-kotlin
41. https://zsmb.co/talks/#typical-kotlin
42. https://zsmb.co/talks/#typical-kotlin
43. https://zsmb.co/talks/#typical-kotlin
44. https://zsmb.co/talks/#typical-kotlin
45. https://zsmb.co/talks/#typical-kotlin
46. https://zsmb.co/talks/#typical-kotlin
47. https://zsmb.co/talks/#typical-kotlin
48. https://zsmb.co/talks/#typical-kotlin
49. https://zsmb.co/talks/#typical-kotlin
50. https://zsmb.co/talks/#typical-kotlin
51. https://zsmb.co/talks/#typical-kotlin
52. https://zsmb.co/talks/#typical-kotlin
53. https://zsmb.co/talks/#typical-kotlin
54. https://zsmb.co/talks/#typical-kotlin
55. https://zsmb.co/talks/#typical-kotlin
56. https://zsmb.co/talks/#typical-kotlin
66. https://medium.com/@elizarov/dealing-with-absence-of-value-307b80534903
67. https://medium.com/@elizarov/dealing-with-absence-of-value-307b80534903
68. https://medium.com/@elizarov/dealing-with-absence-of-value-307b80534903
69. https://medium.com/@elizarov/dealing-with-absence-of-value-307b80534903
70. https://medium.com/@elizarov/dealing-with-absence-of-value-307b80534903
71. https://medium.com/@elizarov/dealing-with-absence-of-value-307b80534903
72. Wishlist features
73. https://www.reddit.com/r/Kotlin/comments/cdotu0/intellectuals_will_understand/
74. https://www.reddit.com/r/Kotlin/comments/cdotu0/intellectuals_will_understand/
75. https://www.reddit.com/r/Kotlin/comments/cdotu0/intellectuals_will_understand/
76. https://www.reddit.com/r/Kotlin/comments/cdotu0/intellectuals_will_understand/
77. https://www.reddit.com/r/Kotlin/comments/cdotu0/intellectuals_will_understand/
78. https://www.reddit.com/r/Kotlin/comments/cdotu0/intellectuals_will_understand/
79. https://www.reddit.com/r/Kotlin/comments/cdotu0/intellectuals_will_understand/
80. https://www.reddit.com/r/Kotlin/comments/cdotu0/intellectuals_will_understand/
81. https://www.reddit.com/r/Kotlin/comments/cdotu0/intellectuals_will_understand/
82. https://www.reddit.com/r/Kotlin/comments/cdotu0/intellectuals_will_understand/
83. https://www.reddit.com/r/Kotlin/comments/cdotu0/intellectuals_will_understand/
84. https://www.reddit.com/r/Kotlin/comments/cdotu0/intellectuals_will_understand/
85. https://twitter.com/marcinmoskala/status/1007640373970329600
86. https://twitter.com/marcinmoskala/status/1007640373970329600
87. https://twitter.com/marcinmoskala/status/1007640373970329600
88. https://twitter.com/marcinmoskala/status/1007640373970329600
89. https://twitter.com/marcinmoskala/status/1007640373970329600
90. https://twitter.com/marcinmoskala/status/1007640373970329600
91. https://twitter.com/marcinmoskala/status/1007640373970329600
92. https://twitter.com/marcinmoskala/status/1007640373970329600
93. https://twitter.com/marcinmoskala/status/1007640373970329600
105. JavaScript
119. Puzzlers
134. https://stackoverflow.com/q/48037330/4465208
135. https://stackoverflow.com/q/48037330/4465208
136. https://stackoverflow.com/q/48037330/4465208
137. https://stackoverflow.com/q/48037330/4465208
138. https://stackoverflow.com/q/48505963/4465208
139. https://stackoverflow.com/q/48505963/4465208
140. https://stackoverflow.com/q/48505963/4465208
141. https://stackoverflow.com/q/48505963/4465208
142. https://stackoverflow.com/q/48505963/4465208
143. https://stackoverflow.com/q/48505963/4465208
144. https://stackoverflow.com/q/48505963/4465208
145. https://stackoverflow.com/q/48505963/4465208
146. https://stackoverflow.com/q/48505963/4465208
147. https://stackoverflow.com/q/48505963/4465208
148. https://stackoverflow.com/q/48505963/4465208
149. https://stackoverflow.com/q/48505963/4465208
150. https://stackoverflow.com/q/48505963/4465208
151. https://stackoverflow.com/q/48505963/4465208
152. https://stackoverflow.com/q/48505963/4465208
153. Sources • Effective Kotlin - Marcin Moskala  https://leanpub.com/effectivekotlin • Abusing Kotlin's Unicode Support for Fun - Todd Ginsberg  https://todd.ginsberg.com/post/kotlin-random-extension/ • Typical Kotlin - Márton Braun  https://zsmb.co/talks/#typical-kotlin • Dealing with the absence of value - Roman Elizarov  https://medium.com/@elizarov/dealing-with-absence-of-value- 307b80534903
154. Sources • Reddit post - /u/Tok-A-Mak  https://www.reddit.com/r/Kotlin/comments/cdotu0/intellectuals_will_understand/ • Tweet - Marcin Moskala  https://twitter.com/marcinmoskala/status/1007640373970329600 • Stack Overflow question – Hi Lo  https://stackoverflow.com/q/48037330/4465208 • Stack Overflow question - cuihtlauac  https://stackoverflow.com/q/48505963/4465208
155. zsmb.co/talks zsmb13
156. Questions? Márton Braun zsmb.co zsmb13 braun.marton@autsoft.hu