}

}

/// A workaround for must_produce_diag ICEs when formatting types in disabled lints.

///

/// Delays formatting until `.into(): DiagMessage` is used.

pub struct DelayDm<F>(pub F);

impl<F: FnOnce() -> String> From<DelayDm<F>> for DiagMessage {

fn from(DelayDm(f): DelayDm<F>) -> Self {

DiagMessage::from(f())

}

}

/// Translating *into* a subdiagnostic message from a diagnostic message is a little strange - but

/// the subdiagnostic functions (e.g. `span_label`) take a `SubdiagMessage` and the

/// subdiagnostic derive refers to typed identifiers that are `DiagMessage`s, so need to be

};

pub use emitter::ColorConfig;

pub use rustc_error_messages::{

fallback_fluent_bundle, fluent_bundle, DelayDm, DiagMessage, FluentBundle, LanguageIdentifier,

fallback_fluent_bundle, fluent_bundle, DiagMessage, FluentBundle, LanguageIdentifier,

LazyFallbackBundle, MultiSpan, SpanLabel, SubdiagMessage,

};

pub use rustc_lint_defs::{pluralize, Applicability};

if let Some(backtrace) = &self.must_produce_diag {

panic!(

"must_produce_diag: `trimmed_def_paths` called but no diagnostics emitted; \

use `DelayDm` for lints or `with_no_trimmed_paths` for debugging. \

called at: {backtrace}"

`with_no_trimmed_paths` for debugging. \

called at: {backtrace}"

);

}

}

///

/// The implementation uses similar import discovery logic to that of 'use' suggestions.

///

/// See also [`DelayDm`](rustc_error_messages::DelayDm) and [`with_no_trimmed_paths!`].

/// See also [`with_no_trimmed_paths!`].

// this is pub to be able to intra-doc-link it

pub fn trimmed_def_paths(tcx: TyCtxt<'_>, (): ()) -> DefIdMap<Symbol> {

// Trimming paths is expensive and not optimized, since we expect it to only be used for error