kotlin-spark-api_3.0.2_2.12/org.jetbrains.kotlinx.spark.api/UserDefinedFunctionVararg/invoke

invoke

operator fun <DsType> invoke(vararg params: <Error class: unknown class><DsType, T>): <Error class: unknown class><DsType, R>
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Allows this UDF to be called in typed manner using columns in a Dataset.selectTyped call.

See also

typedCol

to create typed columns.

org.apache.spark.sql.expressions.UserDefinedFunction.apply