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//@ compile-flags: -C opt-level=0
#![crate_type = "lib"]
pub enum ApiError {}
#[allow(dead_code)]
pub struct TokioError {
b: bool,
}
pub enum Error {
Api {
source: ApiError,
},
Ethereum,
Tokio {
source: TokioError,
},
}
struct Api;
impl IntoError<Error> for Api
{
type Source = ApiError;
// CHECK-LABEL: @into_error
// CHECK: llvm.trap()
// Also check the next two instructions to make sure we do not match against `trap`
// elsewhere in the code.
// CHECK-NEXT: load
// CHECK-NEXT: ret
#[no_mangle]
fn into_error(self, error: Self::Source) -> Error {
Error::Api {
source: error,
}
}
}
pub trait IntoError<E>
{
/// The underlying error
type Source;
/// Combine the information to produce the error
fn into_error(self, source: Self::Source) -> E;
}
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