Function obj_count_all 

#[unsafe(no_mangle)]
pub unsafe extern "C" fn obj_count_all(
    txn: *mut obj_read_txn_t,
    collection: *const c_char,
    out_count: *mut u64,
) -> obj_error_t

Count every doc in collection.

Safety

• txn must be live; collection NUL-terminated UTF-8; out_count writable.