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:

CrowFeature