fun.rs

pub fn from_config<S>(config: &BackendConfig) -> Result<impl Backend<S>, BackendError> where S: IntoBuf + 'static {
    match config.name() {
        "stdout" => Ok(StdoutBackend::stdout()),
        "stderr" => Ok(StderrBackend::stderr()),
        n => Err(BackendError::UnsupportedBackend(n.into())),
    }
}

error[E0308]: mismatched types
--> src/backend/mod.rs:24:24
|
24 | "stderr" => Ok(StderrBackend::stderr()),
| ^^^^^^^^^^^^^^^^^^^^^^^ expected struct std::io::Stdout, found struct std::io::Stderr
|
= note: expected type backend::console::ConsoleBackend<S, std::io::Stdout>
found type backend::console::ConsoleBackend<_, std::io::Stderr>