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doc: fix misleading description of optionals

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dumblob 2020-04-23 05:35:33 +02:00 committed by GitHub
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@ -1000,12 +1000,12 @@ println(resp.body)
``` ```
`http.get` returns `?http.Response`. It was called with `?`, so the error is propagated to the calling function `http.get` returns `?http.Response`. It was called with `?`, so the error is propagated to the calling function
(which must return an optional) or in case of `main` leads to a panic. (which must return an optional) or in case of `main()` leads to a panic.
Basically the code above is a shorter version of Basically the code above is a shorter version of
```v ```v
resp := http.get(url) or { resp := http.get(url) or {
panic(err) return error(err)
} }
println(resp.body) println(resp.body)
``` ```
@ -1013,6 +1013,7 @@ println(resp.body)
V does not have a way to force unwrap an optional (like Rust's `unwrap()` V does not have a way to force unwrap an optional (like Rust's `unwrap()`
or Swift's `!`). You have to use `or { panic(err) }` instead. or Swift's `!`). You have to use `or { panic(err) }` instead.
## Generics ## Generics
```v ```v