fix: update paginator option functions for clarity and consistency

Author: klaidliadon

page.go

@@ -179,24 +179,28 @@ type PaginatorSettings struct {
 
 type PaginatorOption func(*PaginatorSettings)
 
+// WithDefaultSize sets the default page size.
 func WithDefaultSize(size uint32) PaginatorOption {
 	return func(s *PaginatorSettings) {
 		s.DefaultSize = size
 	}
 }
 
+// WithMaxSize sets the maximum page size.
 func WithMaxSize(size uint32) PaginatorOption {
 	return func(s *PaginatorSettings) {
 		s.MaxSize = size
 	}
 }
 
-func WithDefaultSort(sort ...string) PaginatorOption {
+// WithSort sets the default sort order.
+func WithSort(sort ...string) PaginatorOption {
 	return func(s *PaginatorSettings) {
 		s.Sort = sort
 	}
 }
 
+// WithColumnFunc sets a function to transform column names.
 func WithColumnFunc(f func(string) string) PaginatorOption {
 	return func(s *PaginatorSettings) {
 		s.ColumnFunc = f

page_test.go

@@ -17,7 +17,7 @@ func TestPagination(t *testing.T) {
 		pgkit.WithColumnFunc(strings.ToLower),
 		pgkit.WithDefaultSize(2),
 		pgkit.WithMaxSize(_MaxSize),
-		pgkit.WithDefaultSort("ID"),
+		pgkit.WithSort("ID"),
 	}
 	paginator := pgkit.NewPaginator[T](options...)
 	page := pgkit.NewPage(0, 0)