feat: add Order and Size methods to the graph #199

	name: build
	on: [push, pull_request]
	jobs:
	golangci:
	name: lint
	runs-on: ubuntu-latest
	steps:
	- uses: actions/setup-go@v3
	with:
	go-version: 1.19
	- uses: actions/checkout@v3
	- name: golangci-lint
	uses: golangci/golangci-lint-action@v3
	with:
	# Optional: version of golangci-lint to use in form of v1.2 or v1.2.3 or `latest` to use the latest version
	version: v1.50.1

	build:
	name: Go build
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	with:
	go-version: 1.19
	- name: Build
	run: \|
	git clone --depth=1 https://github.com/${GITHUB_REPOSITORY}
	cd $(basename ${GITHUB_REPOSITORY})
	go build -v -race

	test:
	name: Go test
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	with:
	go-version: 1.19
	- name: go get & test
	run: \|
	go get -v -t -d ./...
	go test -v ./...

	- name: Generate coverage report
	run: sh ./.github/scripts/coverage.sh
	shell: bash

	- name: Upload coverage to codecov
	uses: codecov/codecov-action@v3
	with:
	token: ${{ secrets.CODECOV_TOKEN }}
	files: ./coverage.out
	flags: unittests # optional
	name: codecov-umbrella # optional
	fail_ci_if_error: false # optional (default = false)
	verbose: true # optional (default = false)

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