pub type pRENDERDOC_SetCaptureOptionF32 = Option<unsafe extern "C" fn(opt: RENDERDOC_CaptureOption, val: f32) -> c_int>;
pub enum pRENDERDOC_SetCaptureOptionF32 { None, Some(unsafe extern "C" fn(u32, f32) -> i32), }
No value.
Some value of type T.
T