Interface ICoercesValueToBoolean
An object which converts a specified value to a boolean. Specifically, this uses rules unique to a TALES 'not' expression, and not the rules shared by CoerceResultToBoolean(Object).s
Namespace: ZptSharp.Expressions.NotExpressions
Assembly: ZptSharp.dll
Syntax
public interface ICoercesValueToBooleanMethods
| Improve this Doc View SourceCoerceToBoolean(Object)
Gets the boolean representation of the specified value, for the purpose of a not
expression.
Declaration
bool CoerceToBoolean(object value)Parameters
| Type | Name | Description |
|---|---|---|
| System.Object | value | The value to test for 'truthiness'. |
Returns
| Type | Description |
|---|---|
| System.Boolean | A boolean representation of the |
Remarks
The ZPT standard states that the following values are treated as false by a
not expression.
- An instance of AbortZptActionToken.
- A null reference.
- The value System.Boolean
false. - Any value where System.Object.Equals(System.Object, System.Object) treats that value as equal to zero.
- Empty enumerables, IE any object which implements System.Collections.IEnumerable which has no items.
All other values are treated as true by the ZPT specification.