Type Alias PFNGLWINDOWPOS4FVMESAPROC

pub type PFNGLWINDOWPOS4FVMESAPROC = Option<unsafe extern "C" fn(_: *const f32)>;

Aliased Type

enum PFNGLWINDOWPOS4FVMESAPROC {
    None,
    Some(unsafe extern "C" fn(_: *const f32)),
}

Variants

None

No value.

Some(unsafe extern "C" fn(_: *const f32))

Some value of type T.