refactor:

- 去掉多余的收集导包信息逻辑
- 测试例子文件调整

Author: chenmingyong0423

example/user.go renamed to example/examples.go

@@ -4,9 +4,7 @@
 
 package example
 
-import (
-	"github.com/chenmingyong0423/go-optioner/example/third_party"
-)
+import "github.com/chenmingyong0423/go-optioner/example/third_party"
 
 type UserOption func(*User)
 

example/opt_example_gen.go renamed to example/opt_user_gen.go

@@ -28,7 +28,6 @@ import (
 	"log"
 	"os"
 	"reflect"
-	"strconv"
 	"strings"
 )
 
@@ -154,8 +153,6 @@ func (g *Generator) parseStruct(fileName string) bool {
 					}
 					log.Printf("Generating Struct Field \"%s\" of type \"%s\"\n", fieldName, fieldType)
 				}
-				// 收集 package 信息
-				g.CollectImports(file)
 				return true
 			} else {
 				log.Fatal(fmt.Sprintf("Target[%s] type is not a struct", g.StructInfo.StructName))
@@ -269,13 +266,3 @@ func (g *Generator) parseFuncType(f *ast.FuncType) string {
 	}
 	return fmt.Sprintf("func(%s) (%s)", strings.Join(params, ", "), strings.Join(results, ", "))
 }
-
-func (g *Generator) CollectImports(file *ast.File) {
-	for _, imp := range file.Imports {
-		path, err := strconv.Unquote(imp.Path.Value)
-		if err != nil {
-			log.Fatalf("Failed to unquote import path: %v", err)
-		}
-		g.StructInfo.Imports = append(g.StructInfo.Imports, path)
-	}
-}