New example for new API design

golucy_example1.go

package main

import (
	"fmt"
	golucy "github.com/philipsoutham/golucy/v0.0.1"
	"io/ioutil"
	"os"
)

func main() {
	ixLocation, _ := ioutil.TempDir("", "golucy_")
	defer os.RemoveAll(ixLocation)

	schema := golucy.NewSchema()
	defer schema.Close()
	schema.AddField(golucy.NewFTField("content", "en"))
	schema.AddField(golucy.NewIdField("id"))
	index := golucy.NewIndex(ixLocation, true /* create */, true /* truncate */, schema)
	defer index.Close()

	writer := index.NewIndexWriter()
	defer writer.Close()

	writer.AddDocs(
		golucy.Document{"content": "Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.", "id": "1"},
		golucy.Document{"content": "Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.", "id": "2"},
		golucy.Document{"content": "Duis aute irure dolor in reprehenderit in voluptate velit essei cillum dolore eu fugiat nulla pariatur.", "id": "3"},
		golucy.Document{"content": "Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.", "id": "4"},
		golucy.Document{"content": "a cat is an animal", "id": "5"},
		golucy.Document{"content": "a dog is an animal", "id": "6"},
		golucy.Document{"content": "a cat and a cat is an animal", "id": "7"},
		golucy.Document{"content": "cats and dogs are animals", "id": "8"},
		golucy.Document{"content": "you are an animal", "id": "9"},
	)
	writer.Commit()

	reader := index.NewIndexReader()
	defer reader.Close()

	query := reader.ParseQuery("(cat OR dog) animal")
	numHits /*total num results found*/, hits /*[]*golucy.SearchResult*/ := reader.Search(query,
		0,         /*offset*/
		5,         /*limit*/
		"id",      /*field identifying document*/
		"content", /*document field to retrieve*/
		true,      /*include matched terms*/
	)
	for _, hit := range hits {
		fmt.Printf("%d %+v\n", numHits, hit)
	}
	query.Close()
}