pub type CPLVirtualMemCachePageCbk = Option<unsafe extern "C" fn(ctxt: *mut CPLVirtualMem, nOffset: usize, pPageToFill: *mut c_void, nToFill: usize, pUserData: *mut c_void)>;Aliased Type§
pub enum CPLVirtualMemCachePageCbk {
None,
Some(unsafe extern "C" fn(*mut CPLVirtualMem, usize, *mut c_void, usize, *mut c_void)),
}