Type Alias PFNGLMATRIXPOPEXTPROC 

pub type PFNGLMATRIXPOPEXTPROC = Option<unsafe extern "C" fn(mode: GLenum)>;

Aliased Type

pub enum PFNGLMATRIXPOPEXTPROC {
    None,
    Some(unsafe extern "C" fn(u32)),
}

Variants

None

No value.

Some(unsafe extern "C" fn(u32))

Some value of type T.