gistfile1.rs

pub extern "C" fn display_callback() {
    local_data::get(display_tls_key, |callback| {
        callback.as_ref().map(|&ref cb| {
            cb.call();
        });
    });
}

pub fn display_func(callback: ~DisplayCallback) {
    local_data::set(display_tls_key, callback);
    unsafe {
        glutDisplayFunc(display_callback);
    }
}

/Users/larsberg/servo/src/support/glut/rust-glut/glut.rs:145:5: 145:20 error: instantiating a type parameter with an incompatible type `~glut::DisplayCallback<no-bounds>`, which does not fulfill `'static`
/Users/larsberg/servo/src/support/glut/rust-glut/glut.rs:145     local_data::get(display_tls_key, |callback| {
                                                                 ^~~~~~~~~~~~~~~
/Users/larsberg/servo/src/support/glut/rust-glut/glut.rs:153:5: 153:20 error: instantiating a type parameter with an incompatible type `~glut::DisplayCallback<no-bounds>`, which does not fulfill `'static`
/Users/larsberg/servo/src/support/glut/rust-glut/glut.rs:153     local_data::set(display_tls_key, callback);
                                                                 ^~~~~~~~~~~~~~~

pub trait DisplayCallback { fn call(&self); }
local_data_key!(display_tls_key: ~DisplayCallback)