Support parsing of Duration type

Author: nikitinas

src/main/kotlin/org/jetbrains/kotlinx/dataframe/impl/api/parse.kt

@@ -41,6 +41,7 @@ import kotlin.reflect.KType
 import kotlin.reflect.full.withNullability
 import kotlin.reflect.jvm.jvmErasure
 import kotlin.reflect.typeOf
+import kotlin.time.Duration
 
 internal interface StringParser<T> {
     fun toConverter(options: ParserOptions?): TypeConverter
@@ -203,6 +204,9 @@ internal object Parsers : GlobalParserOptions {
             parser
         },
 
+        // kotlin.time.duration
+        stringParser { catchSilent { Duration.parse(it) } },
+
         stringParserWithOptions { options ->
             val formatter = options?.getDateTimeFormatter()
             val parser = { it: String -> it.toLocalTimeOrNull(formatter) }

tests/src/test/kotlin/org/jetbrains/kotlinx/dataframe/api/parse.kt

@@ -13,6 +13,10 @@ import org.junit.Test
 import java.time.LocalTime
 import java.time.Month
 import kotlin.reflect.typeOf
+import kotlin.time.Duration.Companion.days
+import kotlin.time.Duration.Companion.hours
+import kotlin.time.Duration.Companion.minutes
+import kotlin.time.Duration.Companion.seconds
 
 class ParseTests {
 
@@ -189,4 +193,9 @@ class ParseTests {
 
         columnOf("2022-01-23T04:29:40").parse().type shouldBe typeOf<LocalDateTime>()
     }
+
+    @Test
+    fun `parse duration`() {
+        columnOf("1d 15m", "20h 35m 11s").parse() shouldBe columnOf(1.days + 15.minutes, 20.hours + 35.minutes + 11.seconds)
+    }
 }