func Paginate(in *static.C, size int) *static.C {
if size <= 0 {
size = 15
}
return in.Transform(reflect.TypeOf(&Page{}), func(elems []interface{}) ([]interface{}, error) {
var (
number = 1
pages = make([]interface{}, 0, len(elems)/size+1)
)
for l := len(elems); l > 0; l -= size {
end := size
if end > l {
end = l
}
page := &Page{
Number: number,
Elements: elems[:end],
elem_type: in.ElemType(),
}
pages = append(pages, page)
number += 1
elems = elems[end:]
}
return pages, nil
})
}
