# Get the Github branch with `name`.
	#
	# Returns `null` if the branch cannot be found.
	#
	# ~~~nitish
	# var api = new GithubAPI(get_github_oauth)
	# var repo = api.get_repo("nitlang/nit")
	# assert repo != null
	# var branch = api.get_branch(repo, "master")
	# assert branch.name == "master"
	# assert branch.commit isa Commit
	# ~~~
	fun get_branch(repo_slug: String, name: String): nullable Branch do
		return get("/repos/{repo_slug}/branches/{name}").as(nullable Branch)
	end