Packed.at: def of bend-collections-laws-crypto@1.0.0.0
Import: import bend-collections-laws-crypto@1.0.0.0/src/crypto/sha/packed/packed.bend as Packed
Lines 5-7 of bend-collections-laws-crypto@1.0.0.0/src/crypto/sha/packed/packed.bend: https://jend.leeeet.dev/read.txt?path=bend-collections-laws-crypto@1.0.0.0/src/crypto/sha/packed/packed.bend&start_line=5&end_line=7

import Base

# Packed big-endian words: four bytes per U32. Array<U32> is flat u32 storage in native C.
def at(a: Array<U32>, i: U32) -> Array<U32> & U32:
  Array.get(U32,a,i)

Uses (4):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Array
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Array.get
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Pair
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32