1 error[E0282]: type annotations needed for `A<std::result::Result<std::result::Result<(), E>, Error>>`
2 --> $DIR/issue-104649.rs:24:9
4 LL | let a = A(Result::Ok(Result::Ok(())));
7 help: consider giving `a` an explicit type, where the type for type parameter `E` is specified
9 LL | let a: A<std::result::Result<std::result::Result<(), E>, Error>> = A(Result::Ok(Result::Ok(())));
10 | +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
12 error: aborting due to previous error
14 For more information about this error, try `rustc --explain E0282`.