1 files changed, 17 insertions, 0 deletions

diff --git a/crates/ra_hir/src/from_id.rs b/crates/ra_hir/src/from_id.rs
index 619f6055e..38daa5e59 100644
--- a/crates/ra_hir/src/from_id.rs
+++ b/crates/ra_hir/src/from_id.rs
@@ -199,11 +199,22 @@ impl From<Adt> for GenericDefId {
     }
 }
 
+impl From<VariantId> for VariantDef {
+    fn from(def: VariantId) -> Self {
+        match def {
+            VariantId::StructId(it) => VariantDef::Struct(it.into()),
+            VariantId::EnumVariantId(it) => VariantDef::EnumVariant(it.into()),
+            VariantId::UnionId(it) => VariantDef::Union(it.into()),
+        }
+    }
+}
+
 impl From<VariantDef> for VariantId {
     fn from(def: VariantDef) -> Self {
         match def {
             VariantDef::Struct(it) => VariantId::StructId(it.id),
             VariantDef::EnumVariant(it) => VariantId::EnumVariantId(it.into()),
+            VariantDef::Union(it) => VariantId::UnionId(it.id),
         }
     }
 }
@@ -214,6 +225,12 @@ impl From<StructField> for StructFieldId {
     }
 }
 
+impl From<StructFieldId> for StructField {
+    fn from(def: StructFieldId) -> Self {
+        StructField { parent: def.parent.into(), id: def.local_id }
+    }
+}
+
 impl From<AttrDef> for AttrDefId {
     fn from(def: AttrDef) -> Self {
         match def {