NullExternalScopeProvider
Scope provider that does nothing.
using System;
using System.Runtime.CompilerServices;
namespace Microsoft.Extensions.Logging
{
internal sealed class NullExternalScopeProvider : IExternalScopeProvider
{
[Nullable(1)]
public static IExternalScopeProvider Instance {
[NullableContext(1)]
get;
} = new NullExternalScopeProvider();
private NullExternalScopeProvider()
{
}
void IExternalScopeProvider.ForEachScope<TState>(Action<object, TState> callback, TState state)
{
}
IDisposable IExternalScopeProvider.Push(object state)
{
return NullScope.Instance;
}
}
}