/// <summary>
/// Returns an <see cref="IDisposable"/> that will time the code between its creation and disposal.
/// </summary>
/// <param name="profiler">The current profiling session or null.</param>
/// <param name="name">A descriptive name for the code that is encapsulated by the resulting IDisposable's lifetime.</param>
/// <param name="level">This step's visibility level; allows filtering when <see cref="Profiler.Start"/> is called.</param>
public static IDisposable Step(this Profiler profiler, string name, ProfileLevel level = ProfileLevel.Info)
{
if (CustomStepFn != null)
{
return(CustomStepFn(profiler, name));
}
return(profiler == null ? null : profiler.StepImpl(name, level));
}
/// <summary>
/// Wraps <paramref name="selector"/> in a <see cref="Step"/> call and executes it, returning its result.
/// </summary>
/// <param name="profiler">The current profiling session or null.</param>
/// <param name="selector">Method to execute and profile.</param>
/// <param name="name">The <see cref="Timing"/> step name used to label the profiler results.</param>
/// <returns></returns>
public static T Inline <T>(this Profiler profiler, Func <T> selector, string name)
{
if (selector == null)
{
throw new ArgumentNullException("selector");
}
if (profiler == null)
{
return(selector());
}
using (profiler.StepImpl(name))
{
return(selector());
}
}