1package apiquery
 2
 3import (
 4	"reflect"
 5
 6	"github.com/openai/openai-go/packages/param"
 7)
 8
 9func (e *encoder) newRichFieldTypeEncoder(t reflect.Type) encoderFunc {
10	f, _ := t.FieldByName("Value")
11	enc := e.typeEncoder(f.Type)
12	return func(key string, value reflect.Value) ([]Pair, error) {
13		if opt, ok := value.Interface().(param.Optional); ok && opt.Valid() {
14			return enc(key, value.FieldByIndex(f.Index))
15		} else if ok && param.IsNull(opt) {
16			return []Pair{{key, "null"}}, nil
17		}
18		return nil, nil
19	}
20}