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| author | Zach Smith <zach@driver.xyz> | 2017-08-02 17:56:51 -0700 |
|---|---|---|
| committer | Zach Smith <zach@driver.xyz> | 2017-08-02 17:56:51 -0700 |
| commit | d0e5b33cffda34ca27c1ea0dd1e20770fc4e2a2a (patch) | |
| tree | a4c055b2cf00d60740bde75b7d619e8a6a626e0c /src/main/scala/xyz/driver/core/core.scala | |
| parent | f1328134ada77d1c21374f7cca953a376a9b27f9 (diff) | |
| download | driver-core-d0e5b33cffda34ca27c1ea0dd1e20770fc4e2a2a.tar.gz driver-core-d0e5b33cffda34ca27c1ea0dd1e20770fc4e2a2a.tar.bz2 driver-core-d0e5b33cffda34ca27c1ea0dd1e20770fc4e2a2a.zip | |
Add subflatMap to OptionT (stolen from cats)
Diffstat (limited to 'src/main/scala/xyz/driver/core/core.scala')
| -rw-r--r-- | src/main/scala/xyz/driver/core/core.scala | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/main/scala/xyz/driver/core/core.scala b/src/main/scala/xyz/driver/core/core.scala index 1babd91..1d917d6 100644 --- a/src/main/scala/xyz/driver/core/core.scala +++ b/src/main/scala/xyz/driver/core/core.scala @@ -1,6 +1,6 @@ package xyz.driver -import scalaz.{Equal, Monad, OptionT} +import scalaz.{Equal, Functor, Monad, OptionT} package object core { @@ -32,6 +32,9 @@ package object core { def continueIgnoringNone: OptionT[H, Unit] = optionTValue.map(_ => ()).orElse(OptionT.some[H, Unit](())) + + def subflatMap[B](f: T => Option[B])(implicit F: Functor[H]): OptionT[H, B] = + OptionT.optionT[H](F.map(optionTValue.run)(_.flatMap(f))) } implicit class MonadicExtensions[H[_]: Monad, T](monadicValue: H[T]) { |