added example_test.go, rename analyse_test.go to tag_extracker_test.go, removed bench.sh

analyse/example_test.go

@@ -0,0 +1,22 @@
+package analyse_test
+
+import (
+	"fmt"
+
+	"github.com/wangbin/jiebago/analyse"
+)
+
+func ExampleExtractTags() {
+	var t analyse.TagExtracter
+	t.LoadDictionary("../dict.txt")
+	t.LoadIdf("idf.txt")
+
+	sentence := "这是一个伸手不见五指的黑夜。我叫孙悟空，我爱北京，我爱Python和C++。"
+	segments := t.ExtractTags(sentence, 5)
+	fmt.Printf("Top %d tags:", len(segments))
+	for _, segment := range segments {
+		fmt.Printf(" %s /", segment.Text())
+	}
+	// Output:
+	// Top 5 tags: Python / C++ / 伸手不见五指 / 孙悟空 / 黑夜 /
+}