/// <summary>
/// Gets the mapper from TSource to TTarget.
/// </summary>
/// <typeparam name="TSource">The type of the source.</typeparam>
/// <typeparam name="TTarget">The type of the target.</typeparam>
/// <returns>
/// An instance of <seealso cref="IEnumMapper{TSource, TTarget}"/> representing the enum mapper.
/// </returns>
/// <exception cref="System.InvalidCastException"> TSource and TTarget must be Enum.</exception>
public static IEnumMapper <TSource, TTarget> GetMapper <TSource, TTarget>()
where TSource : struct
where TTarget : struct
{
if (!typeof(TSource).IsEnum)
{
throw new InvalidCastException("TSource must be an Enum");
}
if (!typeof(TTarget).IsEnum)
{
throw new InvalidCastException("TTarget must be an Enum");
}
return(EnumMapperGenerator <TSource, TTarget> .GetOrCreate());
}
public static IEnumMapper <TSource, TTarget> GetOrCreate()
{
var key = typeof(TSource).GetHashCode() * 397 ^ typeof(TTarget).GetHashCode();
return(_TypeCache.GetOrAdd(key, k => EnumMapperGenerator <TSource, TTarget> .CreateInstance()));
}
public static Func <TSource, TTarget> GetOrCreateMethod()
{
var key = typeof(TSource).GetHashCode() * 397 ^ typeof(TTarget).GetHashCode();
return(_MethodCache.GetOrAdd(key, k => EnumMapperGenerator <TSource, TTarget> .CreateLambda().Compile()));
}
