pub type PFNGLPROGRAMLOCALPARAMETER4DVARBPROC = Option<unsafe extern "C" fn(target: GLenum, index: GLuint, params: *const GLdouble)>;Aliased Type§
pub enum PFNGLPROGRAMLOCALPARAMETER4DVARBPROC {
None,
Some(unsafe extern "C" fn(u32, u32, *const f64)),
}