public static BouncerPolicyBuilder <T> EnsureNull <T>(this BouncerBuilder <T> builder)
{
return
(builder
.Ensure(IsNullExpression.Create <T>())
.WithMessage($"{typeof(T).ToPrettyString()} must be null.")
.BreakOnFailure());
}
public static BouncerPolicyBuilder <T> Block <T>(this BouncerBuilder <T> builder, Expression <Func <T, bool> > expression)
{
var notExpression = Expression.Lambda <Func <T, bool> >(Expression.Not(expression.Body), expression.Parameters[0]);
return(builder.Ensure(notExpression));
}