MyFormFieldValidationRule class abstract

Abstract base class for all validation rules. All validation rules must implement this class.

Implementers

• ConfirmPasswordRule
• EmailRule
• MaxLengthRule
• MinLengthRule
• NumberRangeRule
• NumericRule
• PasswordComplexityRule
• RegexRule
• RequiredRule

Annotations

• @immutable

Constructors

MyFormFieldValidationRule.new()

Properties

hashCode → int

The hash code for this object.

no setter, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toString() → String

A string representation of this object.

inherited

validate(String? value, {BuildContext? context}) → String?

Validates the given value. Returns an error message String if validation fails, otherwise returns `null].

Operators

operator ==(Object other) → bool

The equality operator.

inherited