Add slice of ptr support

copier.go

@@ -116,7 +116,7 @@ func copier(toValue interface{}, fromValue interface{}, opt Option) (err error)
 
 	if from.Kind() == reflect.Slice && to.Kind() == reflect.Slice && fromType.ConvertibleTo(toType) {
 		if to.IsNil() {
-			slice := reflect.MakeSlice(reflect.SliceOf(toType), from.Len(), from.Cap())
+			slice := reflect.MakeSlice(reflect.SliceOf(to.Type().Elem()), from.Len(), from.Cap())
 			to.Set(slice)
 		}
 		for i := 0; i < from.Len(); i++ {
@@ -127,7 +127,8 @@ func copier(toValue interface{}, fromValue interface{}, opt Option) (err error)
 					continue
 				}
 			}
-			to.Index(i).Set(toValue)
+
+			set(to.Index(i), toValue, opt.DeepCopy)
 		}
 		return
 	}

copier_benchmark_test.go

@@ -33,7 +33,10 @@ func BenchmarkNamaCopy(b *testing.B) {
 			Age:       int64(user.Age),
 			FakeAge:   int(*user.FakeAge),
 			DoubleAge: user.DoubleAge(),
-			Notes:     user.Notes,
+		}
+
+		for _, note := range user.Notes {
+			employee.Notes = append(employee.Notes, &note)
 		}
 		employee.Role(user.Role)
 	}

copier_test.go

@@ -2,7 +2,6 @@ package copier_test
 
 import (
 	"errors"
-	"reflect"
 	"testing"
 	"time"
 
@@ -33,7 +32,7 @@ type Employee struct {
 	EmployeID int64
 	DoubleAge int32
 	SuperRule string
-	Notes     []string
+	Notes     []*string
 	flags     []byte
 }
 
@@ -70,8 +69,15 @@ func checkEmployee(employee Employee, user User, t *testing.T, testCase string)
 	if employee.SuperRule != "Super "+user.Role {
 		t.Errorf("%v: Copy to method doesn't work", testCase)
 	}
-	if !reflect.DeepEqual(employee.Notes, user.Notes) {
-		t.Errorf("%v: Copy from slice doesn't work", testCase)
+
+	if len(employee.Notes) != len(user.Notes) {
+		t.Fatalf("%v: Copy from slice doesn't work, employee notes len: %v, user: %v", testCase, len(employee.Notes), len(user.Notes))
+	}
+
+	for idx, note := range user.Notes {
+		if note != *employee.Notes[idx] {
+			t.Fatalf("%v: Copy from slice doesn't work, notes idx: %v employee: %v user: %v", testCase, idx, *employee.Notes[idx], note)
+		}
 	}
 }