this post was submitted on 12 Nov 2024
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Rust

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Rust needs an official specification (tweedegolf.nl)
submitted 3 days ago by snaggen@programming.dev to c/rust@programming.dev
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[โ€“] onlinepersona@programming.dev 0 points 3 days ago (4 children)

I'm actually surprised there is no specification. It's how I thought languages were written: spec first, implementation later. Do RFCs serve this purpose?

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[โ€“] BatmanAoD@programming.dev 5 points 1 day ago

That's actually not how any language has ever been written, though it's easy to get that impression from how much the C and C++ communities emphasize their formal specifications.

But in fact, both languages were in production use for over a decade before they had a formal spec. And languages with formal specifications are actually a tiny minority of programming languages.

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