github.com/jaredpalmer/terraform@v1.1.0-alpha20210908.0.20210911170307-88705c943a03/internal/terraform/testdata/plan-computed-value-in-map/mod/main.tf

variable "services" {
  type = list(map(string))
}

resource "aws_instance" "inner2" {
  looked_up = var.services[0]["elb"]
}