15 lines
538 B
Kotlin
Vendored
15 lines
538 B
Kotlin
Vendored
import org.jetbrains.kotlinx.dataframe.*
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import org.jetbrains.kotlinx.dataframe.annotations.*
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import org.jetbrains.kotlinx.dataframe.api.*
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import org.jetbrains.kotlinx.dataframe.io.*
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fun box(): String {
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val res = dataFrameOf("a")(1, 2, 3).convert { a }.asColumn { it.convertToString() }
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val str: DataColumn<String> = res.a
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val res1 = dataFrameOf("a")(1).convert { a }.asColumn { dataFrameOf("b", "c")(2, 3.0).asColumnGroup() }
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val i: DataColumn<Int> = res1.a.b
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val d: DataColumn<Double> = res1.a.c
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return "OK"
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}
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