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  new ProposalMapping(
    executionDate                   = None,
    commencementDate                = None,
    expirationDate                  = None,

    freeMonths                      = None,
    leaseTerm                       = None
  )
  
  new ProposalMapping(

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/**
 * Entity representing mapping of comp proposal from XLS column names.
 *
 * @author FS
 */
// Please preserve attribute order when defining a new mapping
class ProposalMapping(
    // Date
    val executionDate: Option[String],
    val commencementDate: Option[String],

frozenspider

  // Ugly one-liner: type is in the middle of the line, implementation takes less than half a line
  // Pain!
  implicit class RichSsWorkbook(wb: Workbook) {
    def apply(i: Int): Sheet = wb.getSheetAt(i)

    def bytes: Array[Byte] = {
      val baos = new ByteArrayOutputStream
      wb.write(baos)
      baos.toByteArray
    }

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trait Parsers {
  type Elem
  type Input = Reader[Elem]

  sealed abstract class ParseResult[+T] {
    ...
  }
  case class Success[+T](result: T, override val next: Input) extends ParseResult[T] {
    ...
  }

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  trait A {
    val a: Int
  }
  
  trait B extends A {
    println(a)
  }
  
  trait C extends A {
    override val a: Int = 10

frozenspider

SELECT status_temp.id FROM (
  SELECT temp_batch.original_id as id, temp_batch.validation_errors, COUNT(temps_enabled.id), COUNT(temps_disabled.id)
  FROM comp_proposal_raw_temp_batch temp_batch
  LEFT OUTER JOIN comp_proposal_raw temps_enabled
    ON temps_enabled.temp_batch_id = temp_batch.id  AND temps_enabled.dont_integrate = 0
  LEFT OUTER JOIN comp_proposal_raw temps_disabled
    ON temps_disabled.temp_batch_id = temp_batch.id AND temps_disabled.dont_integrate = 1
  GROUP BY temp_batch.original_id
  HAVING (COUNT(temps_enabled.id) = 0 AND COUNT(temps_disabled.id) > 0) OR temp_batch.validation_errors > 0
  ) status_temp

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# Generated by Slick (select terms optimized for clarity)
# Takes 47034 ms
SELECT *
FROM (
	SELECT x281.id
	FROM `comp_proposal_raw_batch_comp_proposal_raw` x282, `comp_proposal_raw` x281
	WHERE (x282.`comp_proposal_raw_batch_proposals_id` = 4936) AND (x281.`id` = x282.`comp_proposal_raw_id`)
) x187
INNER JOIN (
	SELECT *

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Merge:

  z
  |\
  | g
x | |
| * |
| | f
| * |
| * |

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import test.*

Parent.withNewSession {
    Parent.withNewTransaction {
        def parent = new Parent()
                .addToChildren(new Child(name: "a"))
                .addToChildren(new Child(name: "b"))
                .addToChildren(new Child(name: "c"))
                .save(failOnError: true)
    }

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trait Foo { self =>
  type SelfType <: Foo {
    type SelfType = self.SelfType
  }
}

// SelfType points to its child type
trait FooExtLvl1 extends Foo {
  type SelfType = FooExtLvl2
}