/// <summary>
/// Sets field mapper for the specified <paramref name="field"/>
/// </summary>
/// <typeparam name="TSPItem">Exact SP list item type, i.e. SPListItem for SSOM, or ListItem for CSOM.</typeparam>
/// <param name="field">Current field.</param>
/// <param name="mapper">Instance of <see cref="FieldMapper{TSPItem}"/> that should be associated with specified <see cref="MetaField"/></param>
/// <exception cref="ArgumentNullException"><paramref name="field"/> or <paramref name="mapper"/> is null.</exception>
public static void SetMapper <TSPItem>([NotNull] this MetaField field, [NotNull] FieldMapper <TSPItem> mapper)
{
Guard.CheckNotNull(nameof(field), field);
Guard.CheckNotNull(nameof(mapper), mapper);
field.SetAdditionalProperty(MapperProperty, mapper);
}
/// <summary>
/// Gets field mapper for the specified <paramref name="field"/>
/// </summary>
/// <typeparam name="TSPItem">Exact SP list item type, i.e. SPListItem for SSOM, or ListItem for CSOM.</typeparam>
/// <param name="field">Current field.</param>
/// <returns>Instance of <see cref="FieldMapper{TSPItem}"/> of the specified <see cref="MetaField"/></returns>
/// <exception cref="ArgumentNullException"><paramref name="field"/> is null.</exception>
public static FieldMapper <TSPItem> GetMapper <TSPItem>([NotNull] this MetaField field)
{
Guard.CheckNotNull(nameof(field), field);
return(field.GetAdditionalProperty <FieldMapper <TSPItem> >(MapperProperty));
}