Closed
Description
System:
Ubuntu 20.04 on wsl2
Issue:
The program does not compile any more. I guess this has something to do with nightly build.
rustc 1.54.0-nightly (ff2c947c0 2021-05-25)
log:
error[E0412]: cannot find type `NoneError` in module `std::option`
--> src/err.rs:118:38
|
118 | impl std::convert::From<std::option::NoneError> for Error {
| ^^^^^^^^^ not found in `std::option`
error[E0412]: cannot find type `NoneError` in module `std::option`
--> src/err.rs:119:29
|
119 | fn from(_: std::option::NoneError) -> Self {
| ^^^^^^^^^ not found in `std::option`
error[E0277]: the `?` operator can only be used on `Result`s, not `Option`s, in an async function that returns `Result`
--> src/plugins/leetcode.rs:75:29
|
69 | pub async fn get_category_problems(self, category: &str) -> Result<Response, Error> {
| _________________________________________________________________________________________-
70 | | trace!("Requesting {} problems...", &category);
71 | | let url = &self
72 | | .conf
... |
75 | | .get("problems")?
| | ^ use `.ok_or(...)?` to provide an error compatible with `Result<Response, err::Error>`
... |
88 | | .await
89 | | }
| |_____- this function returns a `Result`
|
= help: the trait `FromResidual<std::option::Option<Infallible>>` is not implemented for `Result<Response, err::Error>`
= note: required by `from_residual`
(85 errors)