too long") } var buf [4]byte dk := make([]byte, 0, numBlocks*hashLen) U := make([]byte, hashLen) for block := 1; block <= numBlocks; block++ { // N.B.: || means concatenation, ^ means XOR // for each block T_i = U_1 ^ U_2 ^ ... ^ U_iter // U_1 = PRF(password, salt || uint(i)) prf.Reset() prf.Write(salt) buf[0] = byte(block >> 24) buf[1] = byte(block >> 16) buf[2] = byte(block >> 8) buf[3] = byte(block) prf.Write(buf[:4]) dk = prf.Sum(dk) T := dk[len(dk)-hashLen:] copy(U, T) // U_n = PRF(password, U_(n-1))...

too long") } var buf [4]byte dk := make([]byte, 0, numBlocks*hashLen) U := make([]byte, hashLen) for block := 1; block <= numBlocks; block++ { // N.B.: || means concatenation, ^ means XOR // for each block T_i = U_1 ^ U_2 ^ ... ^ U_iter // U_1 = PRF(password, salt || uint(i)) prf.Reset() prf.Write(salt) buf[0] = byte(block >> 24) buf[1] = byte(block >> 16) buf[2] = byte(block >> 8) buf[3] = byte(block) prf.Write(buf[:4]) dk = prf.Sum(dk) T := dk[len(dk)-hashLen:] copy(U, T) // U_n = PRF(password, U_(n-1))...

```Python
async def do_something():
    try:
        yield something
    finally:
        some_cleanup()
```

...that way the `finally` block is run regardless of any exception that might happen.

### Features

pkg syscall (freebsd-arm64), func Fchmod(int, uint32) error
pkg syscall (freebsd-arm64), func Fchown(int, int, int) error
pkg syscall (freebsd-arm64), func FcntlFlock(uintptr, int, *Flock_t) error
pkg syscall (freebsd-arm64), func Flock(int, int) error
pkg syscall (freebsd-arm64), func FlushBpf //deprecated
pkg syscall (freebsd-arm64), func FlushBpf(int) error
pkg syscall (freebsd-arm64), func ForkExec(string, []string, *ProcAttr) (int, error)

pkg syscall (freebsd-riscv64), func Fchown(int, int, int) error #53466
pkg syscall (freebsd-riscv64), func FcntlFlock(uintptr, int, *Flock_t) error #53466
pkg syscall (freebsd-riscv64), func Flock(int, int) error #53466
pkg syscall (freebsd-riscv64), func FlushBpf //deprecated #53466
pkg syscall (freebsd-riscv64), func FlushBpf(int) error #53466

*   Adds `Dataset.interleave` transformation.
*   Add `ConcatenateDataset` to concatenate two datasets.
*   Added Mobilenet support to TensorFlow for Poets training script.
*   Adds a block cache to the GCS filesystem with configurable block size and
    count.
*   SinhArcSinh bijector added.
*   Added `Dataset.list_files` API.
*   Introduces new operations and Python bindings for the Cloud TPU.