v1.4.7/internal/terraform/testdata/validate-module-deps-cycle/main.tf - terraform - Git at Google

 module "a" {
   source = "./a"
 }

 module "b" {
   source = "./b"
   input = "${module.a.output}"
 }
	module "a" {
	source = "./a"
	}

	module "b" {
	source = "./b"
	input = "${module.a.output}"
	}