public static FormLinkNullable <TMajorGetter> Relink <TMajorGetter>(this FormLinkNullable <TMajorGetter> link, IReadOnlyDictionary <FormKey, FormKey> mapping)
where TMajorGetter : class, IMajorRecordCommonGetter
{
if (link.FormKeyNullable.HasValue &&
!link.IsNull &&
mapping.TryGetValue(link.FormKey, out var replacement))
{
return(new FormLinkNullable <TMajorGetter>(replacement));
}
return(link);
}
/// <summary> /// Compares equality of two links, where rhs is a nullable link. /// </summary> /// <param name="other">Other link to compare to</param> /// <returns>True if FormKey members are equal</returns> public bool Equals(FormLinkNullable <TMajorGetter> other) => EqualityComparer <FormKey?> .Default.Equals(this.FormKey, other.FormKeyNullable);