How to use this book?
*********************************************

.. epigraph::

    Sharpen the knife before cutting the wood!

    -- Lun Yu


Build The Source Code
=================================

The source code of this book can be downloaded at `SEIN Github Repo <http://www.github.com>`_.

To run the code, you need to install google test. In Ubuntu, just run:

.. code-block:: 

    sudo apt install libgtest-dev

Then, please use git to clone the repo, and run this:

.. code-block:: 

    sudo cp ./source/ch1-intro/sein.hpp /usr/local/include/

Both CMake and Bazel build are supported.

Build With CMake
^^^^^^^^^^^^^^^^^

.. code-block:: 

  mkdir build
  cd build
  cmake ..
  make -j `nproc`


Build With Bazel
^^^^^^^^^^^^^^^^^


Debug The Source Code
====================================

To debug the source code line by line, I recommend using `CLion <https://www.jetbrains.com/clion/>`_. CLion can automatically detect the test cases so that you can start to debug right away by clicking a button in the GUI.


.. figure:: clion.png
  :align: center
  :name: CLion GUI

  Debug with CLion



How this book is structured?
=====================================

Algorithm
^^^^^^^^^^^^^^^^^^^^^^^^


How do I wrote this book?
=====================================

Chapter page template:

.. code-block:: none

    Chapter Title
    **********************

    .. toctree::
       :maxdepth: 2

       section_1
       section_2
       questions


Questions page template:

.. code-block:: none

    Questions
    =========================================

    Question Title
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

    .. code-block:: none

        Question contents ...

    ----

    Solution

    .. only:: html

        - http://www.wu-99.com



Test code template:

.. code-block:: none

    #include <gtest/gtest.h>
    #include <sein.hpp>

    namespace ns_abc{
        //...
    }
    using namespace ns_abc;
    TEST(_abc, a) {
        EXPECT_TRUE(1);
    }

Take :numref:`graph` as an example.