cli

Documentation

Overview

Package cli provides utilities for CLI tools.

Index

• func Fatalf(message string, args ...interface{})
• func Should(err error)
• func Warning(message string, args ...interface{})
• func WithContext(ctx context.Context, f func(context.Context) error) error

Functions

func Fatalf

func Fatalf(message string, args ...interface{})

Fatalf prints formatted message to stderr and aborts execution.

func Should

func Should(err error)

Should panics if err != nil

Should is useful when error should never happen in customer environment, it can only be development error.

func Warning

func Warning(message string, args ...interface{})

Warning prints formatted message to stderr.

func WithContext

func WithContext(ctx context.Context, f func(context.Context) error) error

WithContext wraps function call to provide a context cancellable with ^C.