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@jonifreeman
Created September 13, 2013 13:48
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Records with objects as keys
// Test3.scala
import shapeless._
import syntax.singleton._
object Test3 {
val r =
(k01 ->> 1) :: (k02 ->> 1) :: (k03 ->> 1) :: (k04 ->> 1) :: (k05 ->> 1) ::
(k06 ->> 1) :: (k07 ->> 1) :: (k08 ->> 1) :: (k09 ->> 1) :: (k10 ->> 1) ::
(k11 ->> 1) :: (k12 ->> 1) :: (k13 ->> 1) :: (k14 ->> 1) :: (k15 ->> 1) ::
(k16 ->> 1) :: (k17 ->> 1) :: (k18 ->> 1) :: (k19 ->> 1) :: (k20 ->> 1) ::
(k21 ->> 1) :: (k22 ->> 1) :: (k23 ->> 1) :: (k24 ->> 1) :: (k25 ->> 1) ::
(k26 ->> 1) :: (k27 ->> 1) :: (k28 ->> 1) :: (k29 ->> 1) :: (k30 ->> 1) ::
(k31 ->> 1) :: (k32 ->> 1) :: (k33 ->> 1) :: (k34 ->> 1) :: (k35 ->> 1) :: HNil
// r get k01 // 1s
// r get k02 // 2s
// r get k03 // 4s
// r get k04 // 5s
// r get k05 // 6s
// r get k10 // 9s
// r get k20 // 12s
// This loops over every field:
// jsonless.json4s.toJSON(r) // 5s
// Cost of selecting with HList.select function:
// r.select[record.FieldType[k02.type, Int]] // 21s
// r.select[record.FieldType[k20.type, Int]] // 14s
}
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