IncludedRule class Null safety

Validation rule to check that value is included into the list of constants.

See IValidationRule

Example

var schema =  Schema()
    .withRule( IncludedRule(1, 2, 3));

schema.validate(2);      // Result: no errors
schema.validate(10);     // Result: 10 must be one of 1, 2, 3
Implemented types

Constructors

IncludedRule(List? values)
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

noSuchMethod(Invocation invocation) → dynamic
Invoked when a non-existent method or property is accessed. [...]
inherited
toString() String
A string representation of this object. [...]
inherited
validate(String? path, Schema schema, dynamic value, List<ValidationResult> results) → void
Validates a given value against this rule. [...]
override

Operators

operator ==(Object other) bool
The equality operator. [...]
inherited