Popularity
6.3
Stable
Activity
8.8
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493
8
54
Programming language: Scala
License: Apache License 2.0
Tags:
Parsing
Latest version: v1.3.0
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README
decline
A composable command-line parser, inspired by optparse-applicative
and built on cats.
import cats.implicits._
import com.monovore.decline._
object HelloWorld extends CommandApp(
name = "hello-world",
header = "Says hello!",
main = {
val userOpt =
Opts.option[String]("target", help = "Person to greet.")
.withDefault("world")
val quietOpt = Opts.flag("quiet", help = "Whether to be quiet.").orFalse
(userOpt, quietOpt).mapN { (user, quiet) =>
if (quiet) println("...")
else println(s"Hello $user!")
}
}
)
To get started, please visit monovore.com/decline!
About the Project
decline is a Typelevel Incubator project,
and follows the Scala Code of Conduct.
This project is released under the Apache License 2.0.
*Note that all licence references and agreements mentioned in the decline README section above
are relevant to that project's source code only.