/// <summary>
/// Sets the the memory allocator configured in <see cref="Configuration.MemoryAllocator"/> of <see cref="ImageSharpMiddlewareOptions.Configuration"/>.
/// </summary>
/// <param name="builder">The core builder.</param>
/// <returns>The <see cref="IImageSharpBuilder"/>.</returns>
internal static IImageSharpBuilder SetMemoryAllocatorFromMiddlewareOptions(this IImageSharpBuilder builder)
{
MemoryAllocator AllocatorFactory(IServiceProvider s)
{
return(s.GetRequiredService <IOptions <ImageSharpMiddlewareOptions> >().Value.Configuration.MemoryAllocator);
}
builder.SetMemoryAllocator(AllocatorFactory);
return(builder);
}