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