• ImmutableList<T>
    net9.0
    namespace System.Collections.Immutable
    {
        [CollectionBuilder(typeof(ImmutableList), "Create")]
        [DefaultMember("Item")]
        public sealed class ImmutableList<T> : ICollection<T>, IEnumerable, IEnumerable<T>, IList<T>, IReadOnlyCollection<T>, IReadOnlyList<T>, ICollection, IList, IImmutableList<T>
    }
    
    NetFx Compat Lab
    0.8 %
    Reference this API
    nuget.org
    0.9 %
    Reference this API
    0.4 %
    Read field
    Upgrade Planner
    0.6 %
    Reference this API
    Design Reviews
    .NET 5.06.07.08.09.010.0
    .NET Core 1.01.12.02.12.23.03.1
    .NET Framework 4.6.14.6.24.74.7.14.7.24.84.8.1
    .NET Standard 2.02.1
    Information specific to net9.0
    Assembly

    System.Collections.Immutable , Version=9.0.0.0, PublicKeyToken=b03f5f7f11d50a3a

    Referencing

    The API is automatically referenced.

    Platform Restrictions

    This API is supported on all platforms.

    • Built-in API
    • Package-provided API

    03/18/2025
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