implement RotateDeg #8

	# This workflow will build and test the library
	# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-go

	name: Test PR

	on:
	pull_request:
	branches:
	- main

	jobs:
	check-pr:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3

	- name: Set up Go
	uses: actions/setup-go@v4
	with:
	go-version: '1.21'

	- name: Building
	run: go build ./...
	- name: Test
	run: go test ./...

	- name: Prevent Merging on Failure
	if: failure()
	run: exit 1

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