C++ Reflection | Functions

blog_meta_function_example.cpp

struct SoundEffect
{
    float volume;

    void Load(const std::string &filename);
};

int main(void)
{
    Type soundEffectType = typeof( SoundEffect );
    Field volumeField = soundEffectType.GetField( "volume" );

    // the runtime supports overloading, but by default returns the first overload
    Method loadMethod = soundEffectType.GetMethod( "Load" );

    // creates an instance of a sound effect
    Variant effect = soundEffectType.Create( );

    // effect.volume is now 85
    volumeField.SetValue( effect, 85.0f );

    // 85
    volumeField.GetValue( effect );

    // effect.Load is called
    loadMethod.Invoke( effect, std::string { "Explosion.wav" } );

    return 0;
}