app

Documentation

Overview

Package app provides functions for creating command-line applications

Index

• type App
  • func New(opts ...Option) *App
  • func (a *App) Run() error
• type Option
  • func WithFlags(flags ...flag.Flag) Option
  • func WithRunner(run RunFunc) Option
• type RunFunc

Types

type App

type App struct {
	// contains filtered or unexported fields
}

The App type represents a command-line application.

func New

func New(opts ...Option) *App

New returns a new App that functions as a command-line application configured via the provided Option functions.

func (*App) Run

func (a *App) Run() error

Run the application.

type Option

type Option func(app *cli.App)

The Option type is a function that can apply configuration to the command-line application.

func WithFlags

func WithFlags(flags ...flag.Flag) Option

WithFlags sets command-line flags that can be applied before Run is called.

func WithRunner

func WithRunner(run RunFunc) Option

WithRunner sets the action function to be used by the command-line application when Run is called.

type RunFunc

type RunFunc func(ctx context.Context) error

The RunFunc type describes a method invoked to start a cli command.