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A comment on Rust is a hard way to make a web API. Parent comment

Re:Rust is a hard way to make a web API by WClayFerguson on Sunday January 17, 2021 @12:11PM (#25812441)
You can go into my 250,000 loc project and randomly pick any variable name, method name, parameter name, etc., and put a typo in it or wrong type, and the compiler will catch it.

I have 100% type safety, and it's all done by TypeScript and my programming language IS TypeScript (not JS)

The the final output format generated by a compiler has absolutely nothing to do with whether the Language being compiled is typesafe or not. That would be like saying since Bytecode is not typesafe therefore Java is not a type safe language.

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Re:Rust is a hard way to make a web API by 29athrowaway on Sunday January 17, 2021 @08:55PM (#25817332)
TypeScript is not the only way to achieve that.

Google closure compiler and JetBrains IDEs can use JSdoc to validate types. I have used those to a reasonable level of accuracy to document entire JavaScript projects where I cannot migrate to TypeScript.

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Re:Rust is a hard way to make a web API by WClayFerguson on Sunday January 17, 2021 @10:59PM (#25817955)
Excellent. Rock on man. I never thought I'd be a Microsoft fan again, but after they invented TypeScript/VSCode, I love them so much I might move to Redmond.
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