func (s *Setting) Pickle(packer intern.Packer) intern.Packed {
if s.Size == 0 {
return packer.PackList([]intern.Packed{})
}
previous := s.Previous.Pickle(packer)
return packer.AppendToPacked(previous, packer.PackPickler(s.Last))
}
func pack(packer intern.Packer, x interface{}) intern.Packed {
switch x := x.(type) {
case intern.Packed:
return x
case int:
return packer.PackInt(x)
case string:
return packer.PackString(x)
case intern.Pickler:
return packer.PackPickler(x)
case []int:
args := make([]interface{}, len(x))
for i, y := range x {
args[i] = interface{}(y)
}
return p(packer, args...)
case []string:
args := make([]interface{}, len(x))
for i, y := range x {
args[i] = interface{}(y)
}
return p(packer, args...)
case []intern.Pickler:
args := make([]interface{}, len(x))
for i, y := range x {
args[i] = interface{}(y)
}
return p(packer, args...)
case []T:
args := make([]interface{}, len(x))
for i, y := range x {
args[i] = interface{}(y)
}
return p(packer, args...)
case []C:
args := make([]interface{}, len(x))
for i, y := range x {
args[i] = interface{}(y)
}
return p(packer, args...)
case []intern.Packed:
args := make([]interface{}, len(x))
for i, y := range x {
args[i] = interface{}(y)
}
return p(packer, args...)
case []interface{}:
return p(packer, x...)
}
panic(fmt.Errorf("bad argument %v to p(...) (type %T)", x, x))
}