pub type PFNGLVERTEXATTRIBL4DPROC = Option<unsafe extern "C" fn(index: GLuint, x: GLdouble, y: GLdouble, z: GLdouble, w: GLdouble)>;Aliased Type§
enum PFNGLVERTEXATTRIBL4DPROC {
None,
Some(unsafe extern "C" fn(_: u32, _: f64, _: f64, _: f64, _: f64)),
}