#ifndef GLSHADER_SHADER_HPP_
 #define GLSHADER_SHADER_HPP_
 
 
 #include <set>
 #include <string>
 
 #include <GL/glew.h>
 
 
 class Shader
 {
 public:
 
     using Paths = std::set<std::string>;
 
     explicit Shader(Paths const & paths);
     virtual ~Shader();
     Shader(Shader &&) noexcept;
     Shader(Shader const &) = delete;
     Shader & operator=(Shader &&) = delete;
     Shader & operator=(Shader const &) = delete;
 
     static void root(std::string const & root);
 
     GLuint program() const;
 
 protected:
 
     GLuint             program_;
     std::string        program_name_;
     std::string static root_;
 };
 
 
 // Inline definitions.
 
 #define GLSHADER_SET_(TYPE, NAME) \
     inline void Shader::NAME(TYPE const & NAME) \
     { \
         NAME##_ = NAME; \
     }
 GLSHADER_SET_(std::string, root)
 
 inline GLuint Shader::program() const
 {
     return program_;
 }
 
 
 #endif // GLSHADER_SHADER_HPP_