NotRule class
Validation rule negate another rule. When embedded rule returns no errors, than this rule return an error. When embedded rule return errors, than the rule returns no errors.
See IValidationRule
Example
var schema = Schema()
.withRule( NotRule(
ValueComparisonRule('EQ', 1)
));
schema.validate(1); // Result: error
schema.validate(5); // Result: no error
- Implemented types
Constructors
- NotRule(IValidationRule rule)
- Creates a new validation rule and sets its values [...]
Properties
- hashCode → int
-
The hash code for this object. [...]
read-only, inherited
- runtimeType → Type
-
A representation of the runtime type of the object.
read-only, inherited
Methods
-
validate(
String path, Schema schema, dynamic value, List< ValidationResult> results) → void -
Validates a given value against this rule. [...]
override
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a non-existent method or property is accessed. [...]
inherited
-
toString(
) → String -
Returns a string representation of this object.
inherited
Operators
-
operator ==(
dynamic other) → bool -
The equality operator. [...]
inherited