pub type PFNGLVERTEXATTRIB4FARBPROC = Option<unsafe extern "C" fn(index: GLuint, x: GLfloat, y: GLfloat, z: GLfloat, w: GLfloat)>;Aliased Type§
pub enum PFNGLVERTEXATTRIB4FARBPROC {
None,
Some(unsafe extern "C" fn(u32, f32, f32, f32, f32)),
}