cats-time
Instances for Cats Typeclasses for Java 8 Time. Similar to the encoding that are offered in Circe and Cormorant.
Time is a pain to deal with reasonably. So tread with caution.
Quick Start
To use cats-time in an existing SBT project with Scala 2.11 or a later version, add the following dependencies to your
build.sbt
depending on your needs:
libraryDependencies ++= Seq(
"org.typelevel" %% "cats-time" % "0.5.0"
)
Examples
First lets start with some imports.
import org.typelevel.cats.time._
import cats.implicits._
import java.time._
Then we can display the Show
instances.
Duration.ofDays(3).show
// res0: String = "PT72H"
Instant.now.show
// res1: String = "2022-06-26T05:29:48.701Z"
LocalDate.now.show
// res2: String = "2022-06-26"
LocalDateTime.now.show
// res3: String = "2022-06-26T05:29:48.704"
LocalTime.now.show
// res4: String = "05:29:48.705"
MonthDay.now.show
// res5: String = "6-26"
OffsetDateTime.now.show
// res6: String = "2022-06-26T05:29:48.709Z"
OffsetTime.now.show
// res7: String = "05:29:48.711Z"
Period.ofWeeks(6).show
// res8: String = "P42D"
Year.now.show
// res9: String = "2022"
YearMonth.now.show
// res10: String = "2022-06"
ZoneId.systemDefault.show
// res11: String = "Etc/UTC"
ZonedDateTime.now.show
// res12: String = "2022-06-26T05:29:48.718Z[Etc/UTC]"