def read_block
import bend-collections@1.0.0.0/src/crypto/blake/blake3/blake3.bend as Blake3import Base
import bend-collections@1.0.0.0/src/crypto/blake/blake3/types.bend as T
91def read_block(a: Array<U32>, +index: U32) -> Array<U32> & T.Block:
92 read0(index,Array.get(U32,a,index))