The hope of the MDA movement was that a great deal of detail could be eliminated by using diagrams instead of code. That hope has so far proven to be forlorn. It turns out that there just isn’t that much extra detail embedded in code that can be eliminated by pictures. What’s more, pictures contain their own accidental details. Pictures have their own grammar and syntax and rules and constraints. So, in the end, the difference in detail is a wash. The hope of MDA was that diagrams would prove to be at a higher level of abstraction than code, just as Java is at a higher level than assembler.
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