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path: root/src/librustc/middle/traits/mod.rs
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-rw-r--r--src/librustc/middle/traits/mod.rs11
1 files changed, 1 insertions, 10 deletions
diff --git a/src/librustc/middle/traits/mod.rs b/src/librustc/middle/traits/mod.rs
index 57c9fa7a4d9..a63dcfc24a1 100644
--- a/src/librustc/middle/traits/mod.rs
+++ b/src/librustc/middle/traits/mod.rs
@@ -28,6 +28,7 @@ use util::ppaux::{Repr, UserString};
 pub use self::error_reporting::report_fulfillment_errors;
 pub use self::error_reporting::suggest_new_overflow_limit;
 pub use self::coherence::orphan_check;
+pub use self::coherence::overlapping_impls;
 pub use self::coherence::OrphanCheckErr;
 pub use self::fulfill::{FulfillmentContext, RegionObligation};
 pub use self::project::MismatchedProjectionTypes;
@@ -270,16 +271,6 @@ pub struct VtableObjectData<'tcx> {
     pub object_ty: Ty<'tcx>,
 }
 
-/// True if there exist types that satisfy both of the two given impls.
-pub fn overlapping_impls(infcx: &InferCtxt,
-                         impl1_def_id: ast::DefId,
-                         impl2_def_id: ast::DefId)
-                         -> bool
-{
-    coherence::impl_can_satisfy(infcx, impl1_def_id, impl2_def_id) &&
-    coherence::impl_can_satisfy(infcx, impl2_def_id, impl1_def_id)
-}
-
 /// Creates predicate obligations from the generic bounds.
 pub fn predicates_for_generics<'tcx>(tcx: &ty::ctxt<'tcx>,
                                      cause: ObligationCause<'tcx>,