glew_sys

Type Alias PFNGLWINDOWPOS3FMESAPROC

source 
pub type PFNGLWINDOWPOS3FMESAPROC = Option<unsafe extern "C" fn(x: GLfloat, y: GLfloat, z: GLfloat)>;

Aliased Type§

enum PFNGLWINDOWPOS3FMESAPROC {
    None,
    Some(unsafe extern "C" fn(_: f32, _: f32, _: f32)),
}

Variants§

§1.0.0

None

No value.

§1.0.0

Some(unsafe extern "C" fn(_: f32, _: f32, _: f32))

Some value of type T.