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RBS, Ruby’s new type signature language

(developer.squareup.com)
511 points mootrichard | 5 comments | 29 Jul 20 18:04 UTC | HN request time: 0.78s | source
1. hirundo ◴[29 Jul 20 19:42 UTC] No.23990772[source]▶
Anyone know, or have a guess, what RBS stands for? I'm not finding it in the article or library.
replies(2): >>23990880 #>>23990884 #
2. loktarogar ◴[29 Jul 20 19:53 UTC] No.23990880[source]▶
.rb is a ruby file, so it's more what the s stands for
replies(1): >>23991350 #
3. allknowingfrog ◴[29 Jul 20 19:54 UTC] No.23990884[source]▶
I'm seeing the type annotations being referred to as "signatures" in a couple of places. (R)u(B)y (S)ignatures seems like a reasonable guess.
replies(1): >>23991174 #
4. baweaver ◴[29 Jul 20 20:24 UTC] No.23991174[source]▶
That would be correct.
5. haven ◴[29 Jul 20 20:40 UTC] No.23991350[source]▶
Signature. The Ruby::RBS library used to be called Ruby::Signature.