glew_sys

Type Alias PFNGLWINDOWPOS4DMESAPROC

source 
pub type PFNGLWINDOWPOS4DMESAPROC = Option<unsafe extern "C" fn(x: GLdouble, y: GLdouble, z: GLdouble, arg1: GLdouble)>;

Aliased Type§

enum PFNGLWINDOWPOS4DMESAPROC {
    None,
    Some(unsafe extern "C" fn(_: f64, _: f64, _: f64, _: f64)),
}

Variants§

§1.0.0

None

No value.

§1.0.0

Some(unsafe extern "C" fn(_: f64, _: f64, _: f64, _: f64))

Some value of type T.