Update documentation

1 files changed, 26 insertions, 5 deletions

diff --git a/include/fs/extfs.hpp b/include/fs/extfs.hpp
index 0075572..6430fe2 100644
--- a/include/fs/extfs.hpp
+++ b/include/fs/extfs.hpp
@@ -9,27 +9,48 @@
 namespace fs
   {
 
+  /**
+   * @brief The ext* file system
+   *
+   * This abstraction provides a top-level interface to an ext* family file system. It grants access to information like the
+   * size of the file system, the space left on the file system as well as the label.
+   *
+   * @since 1.0
+   */
   struct extfs
     {
+    /**
+     * @brief How to open the file system
+     *
+     * @since 1.0
+     */
     enum struct mode : char
       {
-      read_only,
-      writeable
+      read_only, ///< Open in read-only mode
+      writeable, ///< Open in read-write mode
       };
 
     /**
-     * Open the filesystem at a given path
+     * @brief Open the filesystem at a given path
      *
      * @param path The path to a device/file containing an ext* file system.
      * @param openMode Whether to open the file system in read_only or writeable mode.
+     *
      * @since 1.0
+     *
+     * @note This call will also succeed if the file system could not be opened for some reason. To check whether the file
+     * system was successfully opened, see #fs::extfs::open().
      */
     explicit extfs(std::string const & path, mode const openMode = mode::read_only);
 
     /**
-     * Check if the filesystem is valid
+     * @brief Check if the filesystem is open.
+     *
+     * @return @p true, iff. the file system is opened, @p false otherwise
+     *
+     * @since 1.0
      */
-    operator bool() const;
+    bool open() const;
 
     private:
       std::fstream m_stream{};