Hash.sip.last: def of bend-kit-hash@0.3.0.2
Import: import bend-kit-hash@0.3.0.2/hash.bend as Hash
Lines 631-636 of bend-kit-hash@0.3.0.2/hash.bend: https://jend.leeeet.dev/read.txt?path=bend-kit-hash@0.3.0.2/hash.bend&start_line=631&end_line=636

import Base
import bend-kit-bytes@0.3.3.0/bytes.bend as Bytes

# The last block: the len % 8 bytes left, and len mod 256 in the top byte.
def sip.last(+len: U32, r: Array<U32> & W64, s: S4) -> Bytes.Bytes & W64:
  (a, W64{+hi, +lo}) = r
  +k = (len .&. 7 : U32)
  +top = ((len .&. 255) << 24n : U32)
  (Bytes.Bytes{len, a}, sip.end(sip.block(s, W64{(sip.keep(hi, Bool.pick(U32, U32.is_lt(4, k), (k - 4 : U32), 0)) .|. top : U32), sip.keep(lo, U32.min(k, 4))})))

Uses (17):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Array
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool.pick
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Pair
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Sigma
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.and
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.is_lt
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.min
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.or
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.shln
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.sub
  https://jend.leeeet.dev/definition.txt?path=bend-kit-bytes@0.3.3.0/bytes.bend&name=Bytes
  https://jend.leeeet.dev/definition.txt?path=bend-kit-hash@0.3.0.2/hash.bend&name=S4
  https://jend.leeeet.dev/definition.txt?path=bend-kit-hash@0.3.0.2/hash.bend&name=W64
  https://jend.leeeet.dev/definition.txt?path=bend-kit-hash@0.3.0.2/hash.bend&name=sip.block
  https://jend.leeeet.dev/definition.txt?path=bend-kit-hash@0.3.0.2/hash.bend&name=sip.end
  https://jend.leeeet.dev/definition.txt?path=bend-kit-hash@0.3.0.2/hash.bend&name=sip.keep