Make ExistsMulti return a BoolList

service/datastore/datastore.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 datastore
 
 import (
         "fmt"
         "io"
         "io/ioutil"
@@ skipping 227 matching lines @@
         }
         if t.Kind() != reflect.Ptr {
                 return errors.New("not a pointer")
         }
         if t.Elem().Kind() != reflect.Struct {
                 return errors.New("does not point to a struct")
         }
         return nil
 }
 
-func (d *datastoreImpl) ExistsMulti(keys []*Key) ([]bool, error) {
+func (d *datastoreImpl) ExistsMulti(keys []*Key) (BoolList, error) {
         lme := errors.NewLazyMultiError(len(keys))
-        ret := make([]bool, len(keys))
+        ret := make(BoolList, len(keys))
         i := 0
         err := d.RawInterface.GetMulti(keys, nil, func(_ PropertyMap, err error) error {
                 if err == nil {
                         ret[i] = true
                 } else if err != ErrNoSuchEntity {
                         lme.Assign(i, err)
                 }
                 i++
                 return nil
         })
@@ skipping 171 matching lines @@
                         }
                 }
 
                 if isRoot(currentDir) {
                         return nil, fmt.Errorf("datastore: failed to find index YAML file")
                 }
 
                 currentDir = filepath.Dir(currentDir)
         }
 }