2f:I[772020,["/_next/static/chunks/0vq3h93cfzgn0.js","/_next/static/chunks/0m5~tmj.qv__2.js","/_next/static/chunks/0okqp_p_qmolb.js","/_next/static/chunks/06cbce8s5v0ra.js","/_next/static/chunks/04gqki4k-.2k..js","/_next/static/chunks/01h_6682nn0cb.js","/_next/static/chunks/0aen4ub2.3.ea.js","/_next/static/chunks/0fu1ybtmav_h-.js","/_next/static/chunks/133zbx-z0i~u6.js","/_next/static/chunks/0nc_ro10z9rnh.js","/_next/static/chunks/0ke3byz-uy3ek.js","/_next/static/chunks/01_8bpe_glfxd.js","/_next/static/chunks/0m_fv.u.bea4m.js","/_next/static/chunks/0r4j36f9ivf~3.js","/_next/static/chunks/01zgwysz6266z.js","/_next/static/chunks/0s_dz.qh6xinv.js","/_next/static/chunks/0x.1kwv13t4ml.js"],"default"] 33:I[609196,["/_next/static/chunks/0vq3h93cfzgn0.js","/_next/static/chunks/0m5~tmj.qv__2.js","/_next/static/chunks/0okqp_p_qmolb.js","/_next/static/chunks/06cbce8s5v0ra.js","/_next/static/chunks/04gqki4k-.2k..js","/_next/static/chunks/01h_6682nn0cb.js","/_next/static/chunks/0aen4ub2.3.ea.js","/_next/static/chunks/0fu1ybtmav_h-.js","/_next/static/chunks/133zbx-z0i~u6.js","/_next/static/chunks/0nc_ro10z9rnh.js","/_next/static/chunks/0ke3byz-uy3ek.js","/_next/static/chunks/01_8bpe_glfxd.js"],"default"] 34:I[190009,["/_next/static/chunks/0vq3h93cfzgn0.js","/_next/static/chunks/0m5~tmj.qv__2.js","/_next/static/chunks/0okqp_p_qmolb.js","/_next/static/chunks/06cbce8s5v0ra.js","/_next/static/chunks/04gqki4k-.2k..js","/_next/static/chunks/01h_6682nn0cb.js","/_next/static/chunks/0aen4ub2.3.ea.js","/_next/static/chunks/0fu1ybtmav_h-.js","/_next/static/chunks/133zbx-z0i~u6.js","/_next/static/chunks/0nc_ro10z9rnh.js","/_next/static/chunks/0ke3byz-uy3ek.js","/_next/static/chunks/01_8bpe_glfxd.js"],"default"] 35:I[136733,["/_next/static/chunks/0vq3h93cfzgn0.js","/_next/static/chunks/0m5~tmj.qv__2.js","/_next/static/chunks/0okqp_p_qmolb.js","/_next/static/chunks/06cbce8s5v0ra.js","/_next/static/chunks/04gqki4k-.2k..js","/_next/static/chunks/01h_6682nn0cb.js","/_next/static/chunks/0aen4ub2.3.ea.js","/_next/static/chunks/0fu1ybtmav_h-.js","/_next/static/chunks/133zbx-z0i~u6.js","/_next/static/chunks/0nc_ro10z9rnh.js","/_next/static/chunks/0ke3byz-uy3ek.js","/_next/static/chunks/01_8bpe_glfxd.js"],"default"] 36:I[27201,["/_next/static/chunks/0vq3h93cfzgn0.js","/_next/static/chunks/0m5~tmj.qv__2.js","/_next/static/chunks/0okqp_p_qmolb.js","/_next/static/chunks/06cbce8s5v0ra.js","/_next/static/chunks/04gqki4k-.2k..js","/_next/static/chunks/01h_6682nn0cb.js","/_next/static/chunks/0aen4ub2.3.ea.js"],"IconMark"] 30:T55d,

یک نمونه کد از ترکیب Iterator Pattern و Patter Mantching در سی شارپ که در gist گذاشتم.

https://gist.github.com/mirmostafa/97f6150867a244d4893c789710a99d67

public static IEnumerable<T> AddRangeImmuted<T>(this IEnumerable<T>? source, IEnumerable<T>? items)
{
    return (source, items) switch
    {
        (null, null) => Enumerable.Empty<T>(),
        (_, null) => source,
        (null, _) => items,
        (_, _) => addRangeImmutedIterator(source, items)
    };
    static IEnumerable<T> addRangeImmutedIterator(IEnumerable<T> source, IEnumerable<T> items)
    {
        foreach (var item in source)
        {
            yield return item;
        }
        foreach (var item in items)
        {
            yield return item;
        }
    }
}

به نظرتون چطوره؟

31:T541,{"@context":"https://schema.org","@type":"NewsArticle","url":"https://virgool.io/@mirmostafa/ترکیب-iterator-pattern-و-patter-mantching-سی-شارپ-nusnr3iz8xcu","dateCreated"