16 lines
503 B
Kotlin
Vendored
16 lines
503 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("a")(123)
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.add("b", infer = Infer.Nulls) { 123 }
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.convert { b }.with(infer = Infer.None) { it.toString() }
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.select { a and b and expr(infer = Infer.Nulls) { 42 } }
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val b: String = df.b[0]
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val untitled: Int = df.untitled[0]
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return "OK"
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}
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