16 lines
405 B
Kotlin
Vendored
16 lines
405 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 listOf(1),
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"b" to listOf(1),
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).group { a and b }.into("gr")
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val res = df.select { gr.select { a and b } }
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res.a
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res.b
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return "OK"
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}
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