pub type pRENDERDOC_SetCaptureOptionU32 = Option<unsafe extern "C" fn(opt: RENDERDOC_CaptureOption, val: u32) -> c_int>;
pub enum pRENDERDOC_SetCaptureOptionU32 { None, Some(unsafe extern "C" fn(u32, u32) -> i32), }
No value.
Some value of type T.
T