def aes.key.pick
import bend-osdev-aes@0.1.0.0/aes.bend as Aesimport Base
import bend-osdev-bytes@0.1.1.0/bytes.bend as B
import bend-osdev-mode-core@0.1.0.0/mode_core.bend as M
import bend-collections@1.0.0.0/src/crypto/aes/aes.bend as A
209def aes.key.pick(ok: Bool, +xs: List<&2, U32>) -> Result<&2, &2, M.CmError, CmAesKey>:
210 match ok:
211 case True{}:
212 aes.key.go(A.expand_key(xs), xs)
213 case False{}:
214 Fail{M.CmBadKeyLength{B.len(xs)}}