Ian Bicking: the old part of his blog

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Yes, yes, I know no real refactoring tool works on the source as text. Even Real Programmers don't call sed a refactoring tool ;) But it is working on the source in a relatively isolated manner, where only the name is available, and that name is compared as a string. Whereas in Java the name can be fully identified as a particular method of a particular class.

Re: Ada; the problem with this is that the limited operators available don't work well for complicated systems. You can have number ranges. What about only odd numbers? What about invariants? What about objects that can have many valid states, but must be in a particular state when passed to a specific function? That's more restrictive than an interface, but a very common restriction. Realistic requirements are complex enough to require a full language, not a limited type definition language.
Comment on Static Code Analysis
by Ian Bicking