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Trail is a routing library for Scala. It is available for the JVM, Scala.js and Scala Native.

Features

• Define type-safe routes
• Parse and generate URLs
• DSL to extract path elements, arguments and fragments
• Express routing tables via pattern matching
• Define custom codecs
• IDE support
• Cross-platform support (JVM, Scala.js, Scala Native)
• Zero dependencies

Example

import trail._

val details  = Root / "details" / Arg[Int]
val userInfo = Root / "user" / Arg[String] & Param[Boolean]("show")

val result = "/user/hello?show=false" match {
  case details (a)      => s"details: $a"
  case userInfo((u, s)) => s"user: $u, show: $s"
}

Links

• Documentation
• ScalaDoc

Licence

Trail is licensed under the terms of the Apache v2.0 licence.

Authors

• Tim Nieradzik
• Darren Gibson
• Anatolii Kmetiuk