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https://github.com/rust-lang/rust
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39 lines
764 B
Rust
39 lines
764 B
Rust
//@ build-pass
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//@ compile-flags: --crate-type lib
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// Regression test for ICE which occurred when const propagating an enum with three variants
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// one of which is uninhabited.
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pub enum ApiError {}
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#[allow(dead_code)]
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pub struct TokioError {
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b: bool,
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}
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pub enum Error {
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Api {
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source: ApiError,
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},
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Ethereum,
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Tokio {
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source: TokioError,
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},
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}
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struct Api;
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impl IntoError<Error> for Api
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{
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type Source = ApiError;
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fn into_error(self, error: Self::Source) -> Error {
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Error::Api {
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source: (|v| v)(error),
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}
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}
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}
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pub trait IntoError<E>
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{
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/// The underlying error
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type Source;
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/// Combine the information to produce the error
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fn into_error(self, source: Self::Source) -> E;
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}
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