Eiffel is a fancy object-oriented programming language that was all the rage back in the 80s and 90s. It's known for its strict typing, design by contract principles, and being named after a big metal tower in Paris.
"I was going to use Eiffel for this project, but then I remembered it's not 1992 anymore so I went with Rust instead."
"Some dinosaur at the conference tried to convince me Eiffel is making a comeback, but I think he's still stuck in the pre-dot-com bubble era."
Eiffel Software - The official site of Eiffel, if you want to party like it's 1999.
Eiffel: The Essentials - An ancient tome from the creator of Eiffel himself. Probably gathering dust on a shelf somewhere.
Eiffel on Wikipedia - The Wiki rabbit hole awaits, for when you have way too much free time on your hands.
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