Github user tliron commented on a diff in the pull request:
https://github.com/apache/incubator-ariatosca/pull/207#discussion_r153014161
--- Diff: aria/parser/presentation/field_validators.py ---
@@ -14,12 +14,29 @@
# limitations under the License.
+from ...utils.formatting import safe_repr
from ..validation import Issue
from .utils import (parse_types_dict_names, report_issue_for_unknown_type,
report_issue_for_parent_is_self,
report_issue_for_unknown_parent_type,
report_issue_for_circular_type_hierarchy)
+def not_negative_validator(field, presentation, context):
--- End diff --
Python will do the right thing here -- if there is a `__lt__` it will call
it, if not it will try to find a `__gt__` and `__eq__` and do the right stuff.
---
