SHARE
TWEET

Untitled

a guest Sep 21st, 2019 81 Never
Not a member of Pastebin yet? Sign Up, it unlocks many cool features!
  1. #![allow(unreachable_code)]
  2.  
  3.  
  4. fn main() {
  5.     println!("{:?}", {
  6.         #[derive(Debug)] struct Foo { vec: Vec<(bool, u128)> } impl Foo { fn bar(&self) { let (mut a, mut b) = (0, 0); let mut iter = self.vec.iter(); loop { let _ = b.checked_sub(a); match iter.next() { Some(&(false, n)) => a = n, Some(&(true, n)) => b = n, None => break }; } } }
  7.     });
  8. }
  9.  
  10.  
  11. /* ~~~~=== stderr ===~~~~
  12.    Compiling playground v0.0.1 (/playground)
  13. error[E0689]: can't call method `checked_sub` on ambiguous numeric type `{integer}`
  14.  --> src/main.rs:6:169
  15.   |
  16. 6 |         #[derive(Debug)] struct Foo { vec: Vec<(bool, u128)> } impl Foo { fn bar(&self) { let (mut a, mut b) = (0, 0); let mut iter = self.vec.iter(); loop { let _ = b.checked_sub(a); match iter.next() { Some(&(false, n)) => a = n, Some(&(true, n)) => b = n, None => break }; } } }
  17.   |                                                                                                       ----- you must specify a type for this binding, like `i32`        ^^^^^^^^^^^
  18.  
  19. error: aborting due to previous error
  20.  
  21. For more information about this error, try `rustc --explain E0689`.
  22. error: Could not compile `playground`.
  23.  
  24. To learn more, run the command again with --verbose.
  25.  
  26. */
  27.  
  28. /* ~~~~=== stdout ===~~~~
  29.  
  30. */
RAW Paste Data
We use cookies for various purposes including analytics. By continuing to use Pastebin, you agree to our use of cookies as described in the Cookies Policy. OK, I Understand
 
Top