/// <summary>
/// Creates an action that sets the value of the specified static field. The
/// parameter of the resulting function takes the new value of the static field.
/// </summary>
/// <param name="field">The static field to create the setter action for.</param>
/// <returns>An action that sets the static field value.</returns>
public static Action <object> CreateStaticSetter(this FieldInfo field)
{
if (field is null)
{
throw new ArgumentNullException(nameof(field));
}
if (field.IsInitOnly)
{
throw new ArgumentException("field cannot be readonly", nameof(field));
}
if (!field.IsStatic)
{
throw new ArgumentException("Field must be static.", nameof(field));
}
var setter = new StaticFieldSetter(field);
QueueUserWorkItem(setter, s => s.SetOptimizedAction());
return(setter.SetValue);
}
/// <summary>
/// Creates an action that sets the value of the specified static field. The
/// parameter of the resulting function takes the new value of the static field.
/// </summary>
/// <typeparam name="TFieldType">
/// The type of the parameter of the resulting action. This type must be compatible with
/// the <see cref="FieldInfo.FieldType"/> of the <paramref name="field"/> parameter.
/// </typeparam>
/// <param name="field">The static field to create the setter action for.</param>
/// <returns>An action that sets the static field value.</returns>
public static Action <TFieldType> CreateStaticSetter <TFieldType>(this FieldInfo field)
{
if (field is null)
{
throw new ArgumentNullException(nameof(field));
}
if (!field.FieldType.IsAssignableFrom(typeof(TFieldType)))
{
throw new ArgumentException("field.FieldType must be assignable from TFieldType", nameof(field));
}
if (field.IsInitOnly)
{
throw new ArgumentException("field cannot be readonly", nameof(field));
}
if (!field.IsStatic)
{
throw new ArgumentException("Field must be static.", nameof(field));
}
var setter = new StaticFieldSetter <TFieldType>(field);
QueueUserWorkItem(setter, s => s.SetOptimizedAction());
return(setter.SetValue);
}