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C# Riddle #5
time to read 1 min | 184 words
Following Alex's post about traps in interviews, I thought about posting bits of code that I won't use in interviews. Mostly because I don't think that it is fair to the interviewee. I can think about crazy usages to langauge features, and not in a good way.
Consider the following peice of code (which is valid C# 2.0):
public IEnumerable<Predicate<Customer>> ValidationPipeline()
{
yield return delegate(Customer c)
{
return c.Name != "";
};
yield return delegate(Customer c)
{
return EmailService.IsValid(c.Email);
};
}
{
yield return delegate(Customer c)
{
return c.Name != "";
};
yield return delegate(Customer c)
{
return EmailService.IsValid(c.Email);
};
}
How would you use this method, and what is wrong with it?
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