Macro io_prompt_prototype::epromptln [−][src]
macro_rules! epromptln { ($($arg:tt)*) => { ... }; }
Expand description
Prints to the standard error, with a newline. Then reads a line of input.
This is a shorthand for calling eprintln!
, read_line
, and removing
any trailing newlines from the output.
Examples
use io_prompt_prototype::epromptln; let num: u16 = epromptln!("What's your favorite number? >").parse()?; println!("Oh, cool: {}!", num);