Function require_single_input

src/cli/main.rs:492–500

(args: &Args)

        .map_err(|err| CliError::Usage(format!("invalid workspace path: {err}")))?;
    Ok((NativeFs::open(root)?, vpath))
}

fn map_session_error(err: full_stack::session::SessionEngineError) -> CliError {
    match err {
        full_stack::session::SessionEngineError::Build(full_stack::build::BuildError::Compile(
            err,
        )) => CliError::Compile(err.to_string()),
        full_stack::session::SessionEngineError::Build(err) => CliError::Assemble(err.to_string()),
        full_stack::session::SessionEngineError::Io(err) => CliError::Io(err),
        other => CliError::Assemble(other.to_string()),
    }
}