util

Documentation

Overview

Package util contains utility functions.

Index

• func Fatal(err error)
• func Rand(rand io.Reader, max int64) (int64, error)
• func Usage(synopsis string)

Functions

func Fatal

func Fatal(err error)

Fatal prints err to stderr and exits the process with exit code 1.

func Rand

func Rand(rand io.Reader, max int64) (int64, error)

Rand returns a uniform random value in [0, max). It panics if max <= 0.

func Usage

func Usage(synopsis string)

Usage prints the usage of the running command with synopsis and the defined options from the flag package to stderr and exits with error code 1.