src/tools/clippy/tests/ui/panic_in_result_fn.rs

   1 #![warn(clippy::panic_in_result_fn)]
   2 #![allow(clippy::unnecessary_wraps)]
   3 struct A;
   4
   5 impl A {
   6     fn result_with_panic() -> Result<bool, String> // should emit lint
   7     {
   8         panic!("error");
   9     }
  10
  11     fn result_with_unimplemented() -> Result<bool, String> // should emit lint
  12     {
  13         unimplemented!();
  14     }
  15
  16     fn result_with_unreachable() -> Result<bool, String> // should emit lint
  17     {
  18         unreachable!();
  19     }
  20
  21     fn result_with_todo() -> Result<bool, String> // should emit lint
  22     {
  23         todo!("Finish this");
  24     }
  25
  26     fn other_with_panic() // should not emit lint
  27     {
  28         panic!("");
  29     }
  30
  31     fn other_with_unreachable() // should not emit lint
  32     {
  33         unreachable!();
  34     }
  35
  36     fn other_with_unimplemented() // should not emit lint
  37     {
  38         unimplemented!();
  39     }
  40
  41     fn other_with_todo() // should not emit lint
  42     {
  43         todo!("finish this")
  44     }
  45
  46     fn result_without_banned_functions() -> Result<bool, String> // should not emit lint
  47     {
  48         Ok(true)
  49     }
  50 }
  51
  52 fn function_result_with_panic() -> Result<bool, String> // should emit lint
  53 {
  54     panic!("error");
  55 }
  56
  57 fn todo() {
  58     println!("something");
  59 }
  60
  61 fn function_result_with_custom_todo() -> Result<bool, String> // should not emit lint
  62 {
  63     todo();
  64     Ok(true)
  65 }
  66
  67 fn main() -> Result<(), String> {
  68     todo!("finish main method");
  69     Ok(())
  70 }