Function leveldb_sys::leveldb_writebatch_iterate

pub unsafe extern "C" fn leveldb_writebatch_iterate(
    b: *mut leveldb_writebatch_t, 
    state: *mut c_void, 
    put: extern "C" fn(_: *mut c_void, _: *const c_char, _: size_t, _: *const c_char, _: size_t), 
    deleted: extern "C" fn(_: *mut c_void, _: *const c_char, _: size_t)
)