multi: Make NewMessage() usable for creating messages for reading #1039

	name: Go

	on:
	push:
	branches: [ main ]
	pull_request:
	branches: [ main ]

	jobs:
	build:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	go: [ '1.22', '1.23' ]
	arch: [ 'amd64', '386' ]
	name: Go ${{ matrix.go }} GOARCH=${{ matrix.arch }}
	steps:
	- uses: actions/checkout@v4
	- name: Setup go
	uses: actions/setup-go@v5
	with:
	go-version: ${{ matrix.go }}
	- name: Set GOARCH
	run: \|
	echo "GOARCH=${{ matrix.arch }}" >> $GITHUB_ENV
	- name: Run tests with race detector
	if: env.GOARCH != '386'
	run: go test -v -race -short ./...
	- name: Run all tests
	run: go test -v ./...
	- name: Run RPC tests repeatedly
	run: \|
	cd rpc
	go test -c
	for i in `seq 50`; do ./rpc.test; done

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