add example for query

examples/query/main.go

@@ -0,0 +1,44 @@
+// Copyright © 2020 wego authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package main
+
+import (
+	"log"
+	"os"
+
+	"github.com/ynqa/wego/pkg/embedding"
+	"github.com/ynqa/wego/pkg/search"
+)
+
+func main() {
+	input, err := os.Open("word_vector.txt")
+	if err != nil {
+		log.Fatal(err)
+	}
+	defer input.Close()
+	embs, err := embedding.Load(input)
+	if err != nil {
+		log.Fatal(err)
+	}
+	searcher, err := search.New(embs...)
+	if err != nil {
+		log.Fatal(err)
+	}
+	neighbors, err := searcher.SearchInternal("given_word", 10)
+	if err != nil {
+		log.Fatal(err)
+	}
+	neighbors.Describe()
+}

examples/word2vec/main.go

@@ -34,6 +34,7 @@ func main() {
 	}
 
 	input, _ := os.Open("text8")
+	defer input.Close()
 	if err = model.Train(input); err != nil {
 		// failed to train.
 	}