Andrey Breslav
94f00509e2
JET-77 Require a return type annotation for non-Unit returning functions with block bodies
10 lines
148 B
Plaintext
10 lines
148 B
Plaintext
import java.util.*
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fun concat(l: List<String>): String? {
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val sb = StringBuilder()
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for(s in l) {
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sb.append(s)
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}
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return sb.toString()
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}
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