title: C++ error expected ' ' or '...' before numeric constant
body: <p>Noob ask</p>
  
  <pre><code>void setName(const std::string&amp; InkClient) { m_appName = InkClient; }
  void setCompactName(const std::string&amp; InkClient) { m_appCompactName = InkClient; }
  void setVersion(const std::string&amp; 0.1) { m_appVersion = 0.1 ; }
  </code></pre>
  
  <p>I dont know how i can fix</p>
  
  <p>void setVersion(const std::string&amp; 0.1) { m_appVersion = 0.1 ; }</p>