concepts.dm.crow.crow_expression_utils.crow_get_simple_bool_predicate#
- crow_get_simple_bool_predicate(expr)[source]#
If the expression is a simple bool (see
is_simple_bool()), it returns the underlying predicate.- Parameters:
expr (Expression) – the expression, assumed to be a simple Boolean expression.
- Returns:
the underlying predicate.
- Return type: