Closed
Description
openedon Feb 14, 2021
Code
use std::result::Result;
fn main() -> Ok {Ok}Meta
rustc --version --verbose:
note: rustc 1.52.0-nightly (3f5aee2d5 2021-02-12) running on x86_64-unknown-linux-gnu
Error output
error[E0573]: expected type, found variant `Ok`
--> ./out.rs:2:14
|
2 | fn main() -> Ok {Ok}
| ^^ not a type
|
thread 'rustc' panicked at 'assertion failed: !self.substitutions.is_empty()', compiler/rustc_errors/src/lib.rs:189:9
Backtrace
stack backtrace:
0: rust_begin_unwind
at /rustc/3f5aee2d5241139d808f4fdece0026603489afd1/library/std/src/panicking.rs:493:5
1: core::panicking::panic_fmt
at /rustc/3f5aee2d5241139d808f4fdece0026603489afd1/library/core/src/panicking.rs:92:14
2: core::panicking::panic
at /rustc/3f5aee2d5241139d808f4fdece0026603489afd1/library/core/src/panicking.rs:50:5
3: rustc_errors::CodeSuggestion::splice_lines
4: <rustc_errors::emitter::EmitterWriter as rustc_errors::emitter::Emitter>::emit_diagnostic
5: rustc_errors::HandlerInner::emit_diagnostic
6: rustc_errors::diagnostic_builder::DiagnosticBuilder::emit
7: rustc_resolve::Resolver::report_errors
8: rustc_session::utils::<impl rustc_session::session::Session>::time
9: rustc_resolve::Resolver::resolve_crate
10: rustc_interface::passes::configure_and_expand_inner
11: rustc_interface::passes::configure_and_expand::{{closure}}
12: rustc_data_structures::box_region::PinnedGenerator<I,A,R>::new
13: rustc_interface::queries::Queries::expansion
14: rustc_interface::queries::<impl rustc_interface::interface::Compiler>::enter
15: rustc_span::with_source_map
16: scoped_tls::ScopedKey<T>::set
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment