Type Alias SDL_iOSAnimationCallback 

pub type SDL_iOSAnimationCallback = Option<unsafe extern "C" fn(userdata: *mut c_void)>;

Available on iOS or tvOS or visionOS or watchOS only.

The prototype for an Apple iOS animation callback.

This datatype is only useful on Apple iOS.

After passing a function pointer of this type to SDL_SetiOSAnimationCallback, the system will call that function pointer at a regular interval.

Parameters

• userdata: what was passed as callbackParam to SDL_SetiOSAnimationCallback as callbackParam.

Availability

This datatype is available since SDL 3.2.0.

See also

• SDL_SetiOSAnimationCallback

Aliased Type

pub enum SDL_iOSAnimationCallback {
    None,
    Some(unsafe extern "C" fn(*mut c_void)),
}

Variants

None

No value.

Some(unsafe extern "C" fn(*mut c_void))

Some value of type T.