diff --git a/packages/behavior/type.js b/packages/behavior/type.js
index 3933cdc..b7fba87 100644
--- a/packages/behavior/type.js
+++ b/packages/behavior/type.js
@@ -82,15 +82,15 @@ export function description(type, instance) {
   const allTypes = types();
   const defaults = {
     children: {},
-    type,
   };
   const splitTypes = type.split('|');
   for (let i = 0; i < splitTypes.length; i++) {
-    const type = splitTypes[i];
-    if (allTypes[type]) {
+    const splitType = splitTypes[i];
+    if (allTypes[splitType]) {
       return {
         ...defaults,
-        ...('function' === typeof allTypes[type] ? allTypes[type](instance) : allTypes[type])
+        type: splitType,
+        ...('function' === typeof allTypes[splitType] ? allTypes[splitType](instance) : allTypes[splitType])
       };
     }
   }
@@ -100,16 +100,15 @@ export function description(type, instance) {
   };
 }
 
-export function fitsInto(candidate, reference) {
+export function fitsInto(candidate, reference, eq = (l, r) => l === r) {
   const candidates = candidate.split('|');
-  const references = candidate.split('|');
+  const references = reference.split('|');
   for (let i = 0; i < references.length; i++) {
-    if ('any' === references[i]) {
+    if (-1 !== ['any'].indexOf(references[i])) {
       return true;
     }
     for (let j = 0; j < candidates.length; j++) {
-      const refer = candidates[j];
-      if (references[i] === candidates[j]) {
+      if (eq(references[i], candidates[j])) {
         return true;
       }
     }