impl/memory: Implement Queries

impl/memory/gkvlite_utils_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 memory
 
 import (
         "testing"
 
         . "github.com/smartystreets/goconvey/convey"
 )
 
 type keyLeftRight struct{ key, left, right []byte }
 
+type kv struct{ k, v []byte }
+
 var testCollisionCases = []struct {
         name        string
         left, right []kv // inserts into left and right collections
         expect      []keyLeftRight
 }{
         {
                 name: "nil",
         },
         {
                 name:  "empty",
@@ skipping 94 matching lines @@
                                         So(key, ShouldResemble, e.key)
                                         So(left, ShouldResemble, e.left)
                                         So(right, ShouldResemble, e.right)
                                         i++
                                 })
                                 So(i, ShouldEqual, len(tc.expect))
                         })
                 }
         })
 }