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test/codegen/expect/collection/src/iterable_zip.js

Index: test/codegen/expect/collection/src/iterable_zip.js
diff --git a/test/codegen/expect/collection/src/iterable_zip.js b/test/codegen/expect/collection/src/iterable_zip.js
index f4eeecf4ee421a743c51168e87f374da2dff3018..f5026e1340a7a856641dba1d56d6226e3b64cc6b 100644
--- a/test/codegen/expect/collection/src/iterable_zip.js
+++ b/test/codegen/expect/collection/src/iterable_zip.js
@@ -7,50 +7,62 @@ dart_library.library('collection/src/iterable_zip', null, /* Imports */[
   'use strict';
   let dartx = dart.dartx;
   const _iterables = Symbol('_iterables');
-  class IterableZip extends collection.IterableBase$(core.List) {
-    IterableZip(iterables) {
-      this[_iterables] = iterables;
-      super.IterableBase();
-    }
-    get iterator() {
-      let iterators = this[_iterables][dartx.map](dart.fn(x => x[dartx.iterator], core.Iterator, [core.Iterable]))[dartx.toList]({growable: false});
-      return new _IteratorZip(iterators);
+  const IterableZip$ = dart.generic(function(T) {
+    class IterableZip extends collection.IterableBase$(core.List$(T)) {
+      IterableZip(iterables) {
+        this[_iterables] = iterables;
+        super.IterableBase();
+      }
+      get iterator() {
+        let iterators = this[_iterables][dartx.map](dart.fn(x => {
+          dart.as(x, core.Iterable$(T));
+          return x[dartx.iterator];
+        }, core.Iterator$(T), [core.Iterable$(T)]))[dartx.toList]({growable: false});
+        return new (_IteratorZip$(T))(iterators);
+      }
     }
-  }
-  dart.setSignature(IterableZip, {
-    constructors: () => ({IterableZip: [IterableZip, [core.Iterable$(core.Iterable)]]})
+    dart.setSignature(IterableZip, {
+      constructors: () => ({IterableZip: [IterableZip$(T), [core.Iterable$(core.Iterable$(T))]]})
+    });
+    dart.defineExtensionMembers(IterableZip, ['iterator']);
+    return IterableZip;
   });
-  dart.defineExtensionMembers(IterableZip, ['iterator']);
+  let IterableZip = IterableZip$();
   const _iterators = Symbol('_iterators');
   const _current = Symbol('_current');
-  class _IteratorZip extends core.Object {
-    _IteratorZip(iterators) {
-      this[_iterators] = dart.as(iterators, core.List$(core.Iterator));
-      this[_current] = null;
-    }
-    moveNext() {
-      if (dart.notNull(this[_iterators][dartx.isEmpty])) return false;
-      for (let i = 0; i < dart.notNull(this[_iterators][dartx.length]); i++) {
-        if (!dart.notNull(this[_iterators][dartx.get](i).moveNext())) {
-          this[_current] = null;
-          return false;
+  const _IteratorZip$ = dart.generic(function(T) {
+    class _IteratorZip extends core.Object {
+      _IteratorZip(iterators) {
+        this[_iterators] = iterators;
+        this[_current] = null;
+      }
+      moveNext() {
+        if (dart.notNull(this[_iterators][dartx.isEmpty])) return false;
+        for (let i = 0; i < dart.notNull(this[_iterators][dartx.length]); i++) {
+          if (!dart.notNull(this[_iterators][dartx.get](i).moveNext())) {
+            this[_current] = null;
+            return false;
+          }
+        }
+        this[_current] = core.List$(T).new(this[_iterators][dartx.length]);
+        for (let i = 0; i < dart.notNull(this[_iterators][dartx.length]); i++) {
+          this[_current][dartx.set](i, this[_iterators][dartx.get](i).current);
         }
+        return true;
       }
-      this[_current] = core.List.new(this[_iterators][dartx.length]);
-      for (let i = 0; i < dart.notNull(this[_iterators][dartx.length]); i++) {
-        this[_current][dartx.set](i, this[_iterators][dartx.get](i).current);
+      get current() {
+        return this[_current];
       }
-      return true;
-    }
-    get current() {
-      return this[_current];
     }
-  }
-  _IteratorZip[dart.implements] = () => [core.Iterator$(core.List)];
-  dart.setSignature(_IteratorZip, {
-    constructors: () => ({_IteratorZip: [_IteratorZip, [core.List]]}),
-    methods: () => ({moveNext: [core.bool, []]})
+    _IteratorZip[dart.implements] = () => [core.Iterator$(core.List$(T))];
+    dart.setSignature(_IteratorZip, {
+      constructors: () => ({_IteratorZip: [_IteratorZip$(T), [core.List$(core.Iterator$(T))]]}),
+      methods: () => ({moveNext: [core.bool, []]})
+    });
+    return _IteratorZip;
   });
+  let _IteratorZip = _IteratorZip$();
   // Exports:
+  exports.IterableZip$ = IterableZip$;
   exports.IterableZip = IterableZip;
 });