this post was submitted on 19 Aug 2023
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Programming
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You're misreading it. What do you think a '
Result
' type is?Well, in Rust, it's a sum-type, with functions that also let you use it like a monad instead of using explicit pattern matching.
The discussion is on to use monads in C++, and not on why is C++ different than Rust.
I repeat: you do not need sum types to implement a Result monad in C++.
The discussion was about sum types. The top-level comment, the one to which you originally responded, says: