pub trait GlAttrib: GlEnum + Sized {
// Provided methods
fn size() -> u32 { ... }
fn stride() -> usize { ... }
fn get_size(&self) -> u32 { ... }
fn get_stride(&self) -> usize { ... }
fn setup_attrib(index: u32, normalized: bool, stride: i32, start: i32) { ... }
}