Type Alias PFNGLXSWAPINTERVALEXTPROC 

pub type PFNGLXSWAPINTERVALEXTPROC = Option<unsafe extern "C" fn(*mut (), GLXDrawable, c_int)>;

Aliased Type

pub enum PFNGLXSWAPINTERVALEXTPROC {
    None,
    Some(unsafe extern "C" fn(*mut (), u32, i32)),
}

Variants

None

No value.

Some(unsafe extern "C" fn(*mut (), u32, i32))

Some value of type T.