glew_sys

Type Alias PFNGLVERTEXATTRIB4DARBPROC

source 
pub type PFNGLVERTEXATTRIB4DARBPROC = Option<unsafe extern "C" fn(index: GLuint, x: GLdouble, y: GLdouble, z: GLdouble, w: GLdouble)>;

Aliased Type§

enum PFNGLVERTEXATTRIB4DARBPROC {
    None,
    Some(unsafe extern "C" fn(_: u32, _: f64, _: f64, _: f64, _: f64)),
}

Variants§

§1.0.0

None

No value.

§1.0.0

Some(unsafe extern "C" fn(_: u32, _: f64, _: f64, _: f64, _: f64))

Some value of type T.