zio/zio/ZIOAppDefault

ZIOAppDefault

trait ZIOAppDefault extends ZIOApp

The entry point for a ZIO application.

import zio.ZIOAppDefault
import zio.Console._

object MyApp extends ZIOAppDefault {

 def run =
   for {
     _ <- printLine("Hello! What is your name?")
     n <- readLine
     _ <- printLine("Hello, " + n + ", good to meet you!")
   } yield ()
}
Companion:
object
trait ZIOApp
class Object
trait Matchable
class Any

Type members

Types

type Environment = Any

Value members

Inherited methods

final def <>(that: ZIOApp)(implicit trace: Trace): ZIOApp

Composes this ZIOApp with another ZIOApp, to yield an application that executes the logic of both applications.

Composes this ZIOApp with another ZIOApp, to yield an application that executes the logic of both applications.

Inherited from:
ZIOApp
final def exit(code: ExitCode)(implicit trace: Trace): UIO[Unit]

A helper function to exit the application with the specified exit code.

A helper function to exit the application with the specified exit code.

Inherited from:
ZIOApp
final def getArgs(implicit trace: Trace): ZIO[ZIOAppArgs, Nothing, Chunk[String]]

A helper function to obtain access to the command-line arguments of the application. You may use this helper function inside your run function.

A helper function to obtain access to the command-line arguments of the application. You may use this helper function inside your run function.

Inherited from:
ZIOApp
final def invoke(args: Chunk[String])(implicit trace: Trace): ZIO[Any, Any, Any]

Invokes the main app. Designed primarily for testing.

Invokes the main app. Designed primarily for testing.

Inherited from:
ZIOApp
final def main(args0: Array[String]): Unit

The Scala main function, intended to be called only by the Scala runtime.

The Scala main function, intended to be called only by the Scala runtime.

Inherited from:
ZIOAppPlatformSpecific (hidden)
def run: ZIO[Environment & ZIOAppArgs & Scope, Any, Any]

The main function of the application, which can access the command-line arguments through the args helper method of this class. If the provided effect fails for any reason, the cause will be logged, and the exit code of the application will be non-zero. Otherwise, the exit code of the application will be zero.

The main function of the application, which can access the command-line arguments through the args helper method of this class. If the provided effect fails for any reason, the cause will be logged, and the exit code of the application will be non-zero. Otherwise, the exit code of the application will be zero.

Inherited from:
ZIOApp
def runtime: Runtime[Any]
Inherited from:
ZIOApp

Concrete fields

val bootstrap: ZLayer[ZIOAppArgs, Any, Any]

A layer that manages the acquisition and release of services necessary for the application to run.

A layer that manages the acquisition and release of services necessary for the application to run.

Implicits

Inherited implicits

implicit inline def validateEnv[R1, R, E, A](inline zio: ZIO[R, E, A]): ZIO[R1, E, A]

This implicit conversion macro will ensure that the provided ZIO effect does not require more than the provided environment.

This implicit conversion macro will ensure that the provided ZIO effect does not require more than the provided environment.

If it is missing requirements, it will report a descriptive error message. Otherwise, the effect will be returned unmodified.

Inherited from:
ZIOAppVersionSpecific