gistfile1.cpp

struct Handle{
    priv handle: uint
}
impl Handle {
    fn getHandle(&self) -> uint{
        self.handle
    }
    fn setHandle(&mut self, handle: uint){
        self.handle = handle;
    }
    fn new(h: uint) -> Handle{
        Handle {handle: h}
        
    }
}

struct BaseShader{
    handle: Handle
}
impl BaseShader {
    priv fn compile(&self, source: ~str) -> bool{
        true
    }
    fn new(source : ~str) -> BaseShader {
        let shader = BaseShader {handle: Handle::new(0)};
        shader.compile(source);
        shader
    }
}


struct VertexShader{
    shader: BaseShader
}
impl VertexShader {
    fn new(source : ~str) -> VertexShader{
        VertexShader {shader: BaseShader::new(source)}
    }
}
struct FragmentShader{
    shader: BaseShader
}
//implement the same constructor as for the VertexShader -> duplicated code


fn main() {
   let v=  VertexShader::new(~"");
}