tests/codegen/set-discriminant-invalid.rs

   1 // compile-flags: -C opt-level=0
   2 #![crate_type = "lib"]
   3
   4 pub enum ApiError {}
   5 #[allow(dead_code)]
   6 pub struct TokioError {
   7     b: bool,
   8 }
   9 pub enum Error {
  10     Api {
  11         source: ApiError,
  12     },
  13     Ethereum,
  14     Tokio {
  15         source: TokioError,
  16     },
  17 }
  18 struct Api;
  19 impl IntoError<Error> for Api
  20 {
  21     type Source = ApiError;
  22     // CHECK-LABEL: @into_error
  23     // CHECK: llvm.trap()
  24     // Also check the next two instructions to make sure we do not match against `trap`
  25     // elsewhere in the code.
  26     // CHECK-NEXT: load
  27     // CHECK-NEXT: ret
  28     #[no_mangle]
  29     fn into_error(self, error: Self::Source) -> Error {
  30         Error::Api {
  31             source: error,
  32         }
  33     }
  34 }
  35
  36 pub trait IntoError<E>
  37 {
  38     /// The underlying error
  39     type Source;
  40
  41     /// Combine the information to produce the error
  42     fn into_error(self, source: Self::Source) -> E;
  43 }