[TYPO3-mvc] questions: @lazy, @inject, @api, constructors

[Sebastian Kurfürst]

Hey,

>> The Factory pattern is another solution to ensure invariants.
> 
> Defaults are not invariants. I like factories, but I thought they are bad when it comes to unit testing?
... But defaults should conform to invariants as well ;-)

Hmm, why should factories be bad when it comes to unit testing?

Greets,
Sebastian