github.com/hashicorp/terraform-plugin-sdk@v1.17.2/terraform/testdata/validate-computed-in-function/main.tf (about) 1 data "aws_data_source" "foo" { 2 optional_attr = "value" 3 } 4 5 resource "aws_instance" "bar" { 6 attr = "${length(data.aws_data_source.foo.computed)}" 7 }