pub type SDL_CompareCallback = Option<unsafe extern "C" fn(a: *const c_void, b: *const c_void) -> c_int>;Expand description
A callback used with SDL sorting and binary search functions.
§Parameters
a: a pointer to the first element being compared.b: a pointer to the second element being compared.
§Return value
Returns -1 if a should be sorted before b, 1 if b should be sorted
before a, 0 if they are equal. If two elements are equal, their
order in the sorted array is undefined.
§Availability
This callback is available since SDL 3.2.0.
§See also
Aliased Type§
pub enum SDL_CompareCallback {
None,
Some(unsafe extern "C" fn(*const c_void, *const c_void) -> i32),
}