Expose rustc_trait_selection::error_reporting::ambiguity module

Author: Urgau

compiler/rustc_trait_selection/src/traits/error_reporting/ambiguity.rs

@@ -7,12 +7,13 @@ use rustc_span::{Span, DUMMY_SP};
 
 use crate::traits::ObligationCtxt;
 
+#[derive(Debug)]
 pub enum Ambiguity {
     DefId(DefId),
     ParamEnv(Span),
 }
 
-pub fn recompute_applicable_impls<'tcx>(
+pub fn compute_applicable_impls_for_diagnostics<'tcx>(
     infcx: &InferCtxt<'tcx>,
     obligation: &PolyTraitObligation<'tcx>,
 ) -> Vec<Ambiguity> {

compiler/rustc_trait_selection/src/traits/error_reporting/mod.rs

@@ -1,6 +1,6 @@
 // ignore-tidy-filelength :(
 
-mod ambiguity;
+pub mod ambiguity;
 mod infer_ctxt_ext;
 pub mod on_unimplemented;
 pub mod suggestions;

compiler/rustc_trait_selection/src/traits/error_reporting/type_err_ctxt_ext.rs

@@ -2382,7 +2382,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> {
                     )
                 };
 
-                let mut ambiguities = ambiguity::recompute_applicable_impls(
+                let mut ambiguities = ambiguity::compute_applicable_impls_for_diagnostics(
                     self.infcx,
                     &obligation.with(self.tcx, trait_ref),
                 );