22 lines
421 B
Rust
22 lines
421 B
Rust
use std::io::Write;
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use std::io::{stdin, stdout};
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fn print_prompt() {
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print!("$ ");
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stdout().flush().unwrap();
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}
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pub fn get_user_input() -> Option<String> {
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print_prompt();
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let mut user_input = String::new();
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let bytes_read = stdin()
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.read_line(&mut user_input)
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.expect("error reading user input");
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match bytes_read {
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0 => None,
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_ => Some(user_input),
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}
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}
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