Type Alias PFNGLWINDOWPOS2DVPROC

pub type PFNGLWINDOWPOS2DVPROC = Option<unsafe extern "C" fn(p: *const GLdouble)>;

Aliased Type

enum PFNGLWINDOWPOS2DVPROC {
    None,
    Some(unsafe extern "C" fn(_: *const f64)),
}

Variants

None

No value.

Some(unsafe extern "C" fn(_: *const f64))

Some value of type T.