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Kotlin ConfͰൃද͞ΕͨʮKotlinΫΠζʯΈ͍ͨͳͷ
https://www.youtube.com/watch?v=Xq9vBZs0j-8
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https://github.com/angryziber/kotlin-puzzlers
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ਖ਼ղ d) Will not compile
a -> A ɺ b -> Bɺ c -> bar ͱͨ͠ͱ͖ʹɺ
foo(bar b)
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ਖ਼ղ d) Will not compile
a -> A ɺ b -> Bɺ c -> bar ͱͨ͠ͱ͖ʹɺ
foo(bar b)
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foo((c < a), b > d)
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ઌʹͷ৭͕ධՁ͞ΕΔɻ
val sum = x?:0 + y
ਖ਼ղ c)2
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val sum = x?:0 + y
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