datastore: variadic Get, Put, Exists, Delete.

filter/txnBuf/txnbuf_test.go

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 package txnBuf
 
 import (
         "bytes"
         "fmt"
         "math/rand"
@@ skipping 363 matching lines @@
                                 So(18, fooSetTo(ds), hugeField)
 
                                 // We're over threshold! But the child will delete most of this and
                                 // bring us back to normal.
                                 So(ds.RunInTransaction(func(c context.Context) error {
                                         ds := datastore.Get(c)
                                         keys := make([]*datastore.Key, len(hugeData))
                                         for i, d := range hugeData {
                                                 keys[i] = ds.KeyForObj(d)
                                         }
-                                        return ds.DeleteMulti(keys)
+                                        return ds.DeleteMulti(keys...)
                                 }, nil), ShouldBeNil)
 
                                 return nil
                         }, &datastore.TransactionOptions{XG: true}), ShouldBeNil)
 
                         So(18, fooShouldHave(ds), hugeField)
                 })
         })
 }
 
@@ skipping 506 matching lines @@
                                         val := pm["Value"]
                                         So(val[len(val)-1].Value(), ShouldResemble, "wat")
                                 }), ShouldBeNil)
                         })
 
                 })
 
         })
 
 }