21 lines
628 B
Kotlin
Vendored
21 lines
628 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 df = dataFrameOf(
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"a" to columnOf("1"),
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"b" to columnOf(
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"c" to columnOf("2"),
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),
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"d" to columnOf(dataFrameOf("a")(123)),
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"gr" to listOf("1").toDataFrame().asColumnGroup(),
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)
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val str: DataColumn<String> = df.a
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val str1: DataColumn<String> = df.b.c
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val i: DataColumn<Int> = df.d[0].a
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val str2: DataColumn<String> = df.gr.value
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return "OK"
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}
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