pub type PFNGLOBJECTPURGEABLEAPPLEPROC = Option<unsafe extern "C" fn(objectType: GLenum, name: GLuint, option: GLenum) -> GLenum>;Aliased Type§
enum PFNGLOBJECTPURGEABLEAPPLEPROC {
None,
Some(unsafe extern "C" fn(_: u32, _: u32, _: u32) -> u32),
}