Dijkstra on Ada
Published on: 2025-06-27 11:56:11
Dijkstra was one of the reviewers of the fours language proposals which eventually lead to the language Ada: red, green, blue, and yellow (the winning proposal was green). Here are some quotes from each of the reviews:
red
“the proposal is both advanced and backward in such an incongruous manner that I am baffled”
green
“technical incompetence, probably enhanced by dishonesty”
“I tried to reconstruct from the documentation a coherent design philosophy, an effort in which I failed: the mixture between sense and nonsense remained baffling”
blue
“the blue language is unacceptably complex”
“these documents are a inextricable mixture of technical documentation and salestalk”
“if we see a crazy argument, are we then allowed to conclude that the authors are idiots?”
yellow
“an unsalvageable mess”
In a conversation with Andrei P. Ershov (Soviet computer scientist), when asked about his view on Ada, Dijkstra commented that “Ada was such a mess that I shuddered at the thought that We
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