Method MapKeys

model/value_map.go:162–187

MapKeys returns a list of keys in the map.

()

// MapKeys returns a list of keys in the map.
func (v *Value) MapKeys() ([]string, error) {
	switch {
	case v.isDencodingMap():
		m, err := v.dencodingMapValue()
		if err != nil {
			return nil, fmt.Errorf("error getting map: %w", err)
		}
		return m.Keys(), nil
	case v.isStandardMap():
		unpacked, err := v.UnpackUntilKind(reflect.Map)
		if err != nil {
			return nil, fmt.Errorf("error unpacking value: %w", err)
		}
		keys := unpacked.value.MapKeys()
		strKeys := make([]string, len(keys))
		for i, k := range keys {
			strKeys[i] = k.String()
		}
		return strKeys, nil
	default:
		return nil, ErrUnexpectedType{
			Expected: TypeMap,
			Actual:   v.Type(),
		}
	}
}

// RangeMap iterates over each key in the map and calls the provided function with the key and value.
func (v *Value) RangeMap(f func(string, *Value) error) error {