Read line
()
| 417 | |
| 418 | // Read line |
| 419 | pub fn readln() -> String |
| 420 | { |
| 421 | loop |
| 422 | { |
| 423 | crate::time::halt(); |
| 424 | let res = interrupts::without_interrupts(|| |
| 425 | { |
| 426 | let mut stdin = STDIN.lock(); |
| 427 | match stdin.chars().next_back() |
| 428 | { |
| 429 | Some('\n') => |
| 430 | { |
| 431 | let ln = stdin.clone(); |
| 432 | stdin.clear(); |
| 433 | Some(ln) |
| 434 | } |
| 435 | |
| 436 | _ => |
| 437 | { |
| 438 | None |
| 439 | } |
| 440 | } |
| 441 | }); |
| 442 | |
| 443 | if let Some(ln) = res |
| 444 | { |
| 445 | return ln; |
| 446 | } |
| 447 | } |
| 448 | } |