Size class

A validation rule that checks if a string has a specified size (length).

This rule validates that the input string has the specified size (length).

Inheritance

Constructors

Size(int size, {String? message})
Creates a new instance of the Size validation rule.

Properties

hashCode int
The hash code for this object.
no setterinherited
l10n ValidatorLocalizations
The ValidatorLocalizations instance used for localization of validation messages. It's obtained through a service locator (sl) for convenience.
no setterinherited
runtimeType Type
A representation of the runtime type of the object.
no setterinherited
size int
The required size (length) for the string.
final

Methods

message(String fieldName) String
Retrieves the validation message to be displayed.
inherited
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, Map<String, FormFieldState> fields) bool
Validates the given value against the validation rule.
override
validatorMessage(String fieldName) String
Retrieves the validator message for the field.
override

Operators

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