pub type PFNGLVERTEXATTRIBI4IPROC = Option<unsafe extern "C" fn(index: GLuint, v0: GLint, v1: GLint, v2: GLint, v3: GLint)>;Aliased Type§
enum PFNGLVERTEXATTRIBI4IPROC {
None,
Some(unsafe extern "C" fn(_: u32, _: i32, _: i32, _: i32, _: i32)),
}