You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: compress_noasm.go
    path of file: ./repos/sealer/vendor/lukechampine.com/blake3
    
    the code of the file until where you have to start completion: //go:build !amd64
// +build !amd64

package blake3

import "encoding/binary"

func compressNode(n node) (out [16]uint32) {
	compressNodeGeneric(&out, n)
	return
}

func compressBuffer(buf
    
func hashBlock(out *[64]byte, buf []byte) {
	var block [64]byte
	var words [16]uint32
	copy(block[:], buf)
	bytesToWords(block, &words)
	compressNodeGeneric(&words, node{
		cv:       iv,
		block:    words,
		blockLen: uint32(len(buf)),
		flags:    flagChunkStart | flagChunkEnd | flagRoot,
	})
	wordsToBytes(words, out)
}