/// <summary>
/// Injects multiple instances of <typeparamref name="T"/> for this instance builder, one per item in the source sequence, via the factory function passed to this method.
/// </summary>
/// <typeparam name="TSource">The type of items in the source sequence.</typeparam>
/// <typeparam name="T">The type of instance to create.</typeparam>
/// <param name="builder">The instance builder.</param>
/// <param name="source">The source sequence.</param>
/// <param name="function">The factory function that transforms a source sequence item to an instance of <typeparamref name="T"/>.</param>
public static InstanceBuilder WithMany <TSource, T>(this IInstanceBuilder builder, IEnumerable <TSource> source, Func <InstanceBuilder, TSource, T> function)
{
_ = builder ?? throw new ArgumentNullException(nameof(builder));
_ = source ?? throw new ArgumentNullException(nameof(source));
_ = function ?? throw new ArgumentNullException(nameof(function));
return(builder.With(source.Select(x => function(builder.Copy(), x)).ToList()));
}
/// <summary>
/// Injects multiple instances of <typeparamref name="T"/> for this instance builder, one per factory function passed to this method.
/// </summary>
/// <typeparam name="T">The type of instance to create.</typeparam>
/// <param name="builder">The instance builder.</param>
/// <param name="factoryFunctions">A series of factory functions.</param>
public static InstanceBuilder WithMany <T>(this IInstanceBuilder builder, params Func <InstanceBuilder, T>[] factoryFunctions)
{
_ = builder ?? throw new ArgumentNullException(nameof(builder));
_ = factoryFunctions ?? throw new ArgumentNullException(nameof(factoryFunctions));
return(builder.With(factoryFunctions.Select(factoryFunction => factoryFunction(builder.Copy())).ToList()));
}
/// <summary>
/// Injects an instance of type <c>IOptions<TOptions></c> for this instance builder. The options are referenced by name.
/// </summary>
/// <typeparam name="TOptions">The options type.</typeparam>
/// <param name="builder">The instance builder.</param>
/// <param name="name">The name of the options.</param>
public static InstanceBuilder WithNamedOptions <TOptions>(this IInstanceBuilder builder, string name)
where TOptions : class, new()
{
_ = builder ?? throw new ArgumentNullException(nameof(builder));
return(builder.With(new OptionsWrapper <TOptions>(builder.Provider.GetRequiredService <IOptionsMonitor <TOptions> >().Get(name))));
}