Delphi sorcery – I admit - such headlines are getting old - at least for those that know a bit about functional programming. But for those of you not familiar with the term monad it might be new. But don't be scared though by all that functional programming gibberish in that Wikipedia article.Today after Nick's heretical post about avoiding nil we had quite some discussion in the Spring4D team. Because given you must not use nil - how do you deal with the state of none in your code? The business logic might define that a valid result is zero or one item. This often is represented as nil or an ...
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