Edit requests of そろそろJavaScriptに採用されそうなOptional Chainingを今さら徹底解説
@yukukotani
2019-10-20
Accepted
kotlinにおいて、obj[expr]はobj.get(expr)のシンタックスシュガーであるため、elementAtよりもそちらを用いる方が適切かと思われます。
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