You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: vfs.rs
    path of file: ./repos/doukutsu-rs/src/framework
    
    the code of the file until where you have to start completion: //! A virtual file system layer that lets us define multiple
//! "file systems" with various backing stores, then merge them
//! together.
//!
//! Basically a re-implementation of the
    
    fn rmrf(&self, path: &Path) -> GameResult {
        if self.readonly {
            return Err(GameError::FilesystemError(
                "Tried to remove file/dir {} but FS is \
                 read-only"
                    .to_string(),
            ));
        }

        self.create_root()?;
        let p = self.to_absolute(path)?;
        if p.is_dir() {
            fs::remove_dir_all(p).map_err(GameError::from)
        } else {
            fs::remove_file(p).map_err(GameError::from)
        }
    }