list.lambda { item =>
 // mutiply lines
}

list.lambda(_.match
 case item =>
 // mutiply lines
)

sealed trait ModelWrap
case class StringWrap(str: String) extends ModelWrap:
 override val toString: String = "wrap-" + str
end StringWrap
case class IntWrap(model: Int) extends ModelWrap:
 override val toString: String = "wrap-" + model.toString
end IntWrap
case class LongWrap(model: Long) extends ModelWrap:
 override val toString: String = "wrap-" + model.toString
end LongWrap

// Defined method 1
def gen0(gen: => List[ModelWrap]): List[ModelWrap] = gen
def gen1(gen: String => List[ModelWrap])(str: String): List[ModelWrap] = gen(
 str
)
def gen2(
 gen: (String, Long) => List[ModelWrap]
)(str: String, long: Long): List[ModelWrap] = gen(str, long)
def gen3(
 gen: (String, Long, Int) => List[ModelWrap]
)(str: String, long: Long, int: Int): List[ModelWrap] = gen(str, long, int)
def gen4(
 gen: (String, Long, Int, String) => List[ModelWrap]
)(str: String, long: Long, int: Int, str2: String): List[ModelWrap] =
 gen(str, long, int, str2)
def `yet-another-gen4`(
 gen: ((String, Long, Int, String)) => List[ModelWrap]
)(str: String, long: Long, int: Int, str2: String): List[ModelWrap] =
 gen(str, long, int, str2)

// Usage: sample 1
val l0: List[ModelWrap] = gen0(().match
 case _ =>
 val item1 = IntWrap(2345)
 val item2 = StringWrap("Starting Test.")
 List(item1, item2)
)
val l1: List[ModelWrap] = gen1((_).match
 case parameter1 =>
 val item1 = StringWrap(parameter1)
 List(item1)
)("Have a test 1.")
val l2: List[ModelWrap] = gen2((_, _).match
 case (parameter1, parameter2) =>
 val item1 = StringWrap(parameter1)
 val item2 = LongWrap(parameter2)
 List(item1, item2)
)("Have a test 1.", 234)
val l3: List[ModelWrap] = gen3((_, _, _).match
 case (parameter1, parameter2, parameter3) =>
 val item1 = StringWrap(parameter1)
 val item2 = LongWrap(parameter2)
 val item3 = IntWrap(parameter3)
 List(item1, item2, item3)
)("Have a test 1.", 234, 556)
val l4: List[ModelWrap] = gen4((_, _, _, _).match
 case (parameter1, parameter2, parameter3, parameter4) =>
 val item1 = StringWrap(parameter1)
 val item2 = LongWrap(parameter2)
 val item3 = IntWrap(parameter3)
 val item4 = StringWrap(parameter4)
 List(item1, item2, item3, item4)
)("Have a test 1.", 234, 556, "End Testing.")

// Usage: sample 2
val `yet-another-l1`: List[ModelWrap] = gen1(_.match
 case parameter1 =>
 val item1 = StringWrap(parameter1)
 List(item1)
)("Another test 1.")
val `yet-another-l4`: List[ModelWrap] = `yet-another-gen4`(_.match
 case (parameter1, parameter2, parameter3, parameter4) =>
 val item1 = StringWrap(parameter1)
 val item2 = LongWrap(parameter2)
 val item3 = IntWrap(parameter3)
 val item4 = StringWrap(parameter4)
 List(item1, item2, item3, item4)
)("Have a test 1.", 234, 556, "End Testing.")

locally(().match
 case _ =>
 println(l0)
 println(l1)
 println(l2)
 println(l3)
 println(l4)
 println(`yet-another-l1`)
 println(`yet-another-l4`)
)

List(wrap-2345, wrap-Starting Test.)
List(wrap-Have a test 1.)
List(wrap-Have a test 1., wrap-234)
List(wrap-Have a test 1., wrap-234, wrap-556)
List(wrap-Have a test 1., wrap-234, wrap-556, wrap-End Testing.)
List(wrap-Another test 1.)
List(wrap-Have a test 1., wrap-234, wrap-556, wrap-End Testing.)