The delegate is definitely a bit old school, but for purposes of illustration, I felt the explicit signature lent some clarity to what I was trying to communicate. In real-world code, a Func<T> might very well be preferable.
As I commented elsewhere, factories which only wrap a new are good for demonstrating "Here's how a factory works," but don't provide much other value. Having a separate factory for each class, particularly when they're just "wrap the new", is something to avoid; I'm tempted to call it an anti-pattern.
I suspect there's something similar at play here with the description of factory methods. I understand how to write them, you've communicated that pretty darn well. But I'm struggling with the compelling reason why they're preferable to well-designed factory classes.
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The delegate is definitely a bit old school, but for purposes of illustration, I felt the explicit signature lent some clarity to what I was trying to communicate. In real-world code, a
Func<T>might very well be preferable.As I commented elsewhere, factories which only wrap a
neware good for demonstrating "Here's how a factory works," but don't provide much other value. Having a separate factory for each class, particularly when they're just "wrap thenew", is something to avoid; I'm tempted to call it an anti-pattern.I suspect there's something similar at play here with the description of factory methods. I understand how to write them, you've communicated that pretty darn well. But I'm struggling with the compelling reason why they're preferable to well-designed factory classes.