WebJun 7, 2024 · use actix_web:: {App, HttpServer}; use anyhow::Result; mod error; # [actix_rt::main] async fn main () -> Result< ()> { HttpServer::new ( App::new ()) .bind ("127.0.0.1:8080")? .run () .await.map_err (anyhow::Error::from) } Share Improve this answer Follow answered Apr 18, 2024 at 2:55 Caleb Hattingh 8,885 2 31 43 Add a …WebNov 26, 2024 · The main function is defined as fn main() -> Result<(), ts::Error>, which means that it must return a value of type Result<(), ts::Error>. In the original code, this is accomplished by the last line: In the original code, this is accomplished by the last line:
How to return JSON as a response in Rust Rocket with auto field ...
WebAug 14, 2024 · It didn't look as a feasible task for me to combine the lookup_* functions, because the closure in the common function would have to take a very complex set of arguments. And I would need to put too many constraints into that function. For example, in the search for enum, I don't need the order of modules to be stable, but I would need to …WebAug 6, 2024 · I've found on the Rocket documentation that is really easy to send JSON as a response: You just have to use the Serde library. Unfortunatly, that wasn't so simple for me... Here is my current code : # [derive (Serialize,Deserialize)] pub struct Printers { pub printers: Vec, } # [derive (Serialize,Deserialize)] pub struct Printer { pub ...halloween baking championship 2022 reddit
Match arms have incompatible types. Expected struc `NaiveDate`, found …
WebMar 23, 2015 · You have a Result because File::open (&path) can fail. Failure is represented with the Result type. A Result may be either an Ok, which is the success case, or an Err, the failure case. You need to handle the failure case somehow. The easiest is to just die on failure, using expect: let mut file = File::open (&path).expect ("Unable to open"); WebJun 9, 2024 · In this example, the error occurs because State::Failed has a field which isn't matched. It should be State::Failed (ref msg). In my case I'm matching the field of my enum because I'm doing OperationMode::CBC (_). Why does the error happen? enums rust pattern-matching Share Improve this question Follow edited Jun 9, 2024 at 14:10 …WebMar 11, 2024 · The current issue in your code is that string_for_array.to_string() creates a new String, but the array_display array contains &str references.. The suggestion the compiler gives here (replacing with &string_for_array.to_string()) does not work, because the result of .to_string() will be freed at the end of the line and you would have an invalid …burberry winter jacket ebay