pub type PFNGLVERTEXATTRIB4FPROC = Option<unsafe extern "C" fn(index: GLuint, x: GLfloat, y: GLfloat, z: GLfloat, w: GLfloat)>;Aliased Type§
enum PFNGLVERTEXATTRIB4FPROC {
None,
Some(unsafe extern "C" fn(_: u32, _: f32, _: f32, _: f32, _: f32)),
}