prompt

Documentation

Index

• func P(msg string, args ...interface{}) error
• func WithDefault(msg string, arg *string, defaultValue string) error

Functions

func P

func P(msg string, args ...interface{}) error

P prints msg, then reads a line of user input. The input line is then scanned into the args using fmt.Sscan().

This doesn't use fmt.Scanln() because prompt() is often called in a loop (running until user input is valid) and Scanln returns two separate errors for example when scanning into one integer and "a\n" is read from stdin, resulting in the prompt message being printed twice.

func WithDefault

func WithDefault(msg string, arg *string, defaultValue string) error

WithDefault prints msg, then parses a line of user input into