| def my_rule_impl(ctx): | |
| return struct() | |
| my_rule = rule( | |
| implementation = my_rule_impl, | |
| doc = "This is my rule. It does stuff.", | |
| attrs = { | |
| "first": attr.label( | |
| mandatory = True, | |
| doc = "first doc string", | |
| allow_single_file = True, | |
| ), | |
| "second": attr.string_dict(mandatory = True), | |
| "third": attr.output(mandatory = True), | |
| "fourth": attr.bool(default = False, doc = "fourth doc string", mandatory = False), | |
| "_hidden": attr.string(), | |
| }, | |
| ) |