update macro rewrite functions to return RewriteResult #2804

	name: linux
	on:
	push:
	branches:
	- master
	pull_request:

	jobs:
	test:
	runs-on: ubuntu-latest
	name: (${{ matrix.target }}, ${{ matrix.cfg_release_channel }})
	env:
	CFG_RELEASE_CHANNEL: ${{ matrix.cfg_release_channel }}
	strategy:
	# https://help.github.com/en/actions/getting-started-with-github-actions/about-github-actions#usage-limits
	# There's a limit of 60 concurrent jobs across all repos in the rust-lang organization.
	# In order to prevent overusing too much of that 60 limit, we throttle the
	# number of rustfmt jobs that will run concurrently.
	max-parallel: 1
	fail-fast: false
	matrix:
	target: [
	x86_64-unknown-linux-gnu,
	]
	cfg_release_channel: [nightly, stable]

	steps:
	- name: checkout
	uses: actions/checkout@v3

	# Run build
	- name: install rustup
	run: \|
	curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs > rustup-init.sh
	sh rustup-init.sh -y --default-toolchain none
	rustup target add ${{ matrix.target }}

	- name: Build and Test
	run: ./ci/build_and_test.sh

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