EqualToRule class

A validation rule that checks if a value is equal to a target value.

Inheritance

• Object
• ValidatorRule
• EqualToRule

Constructors

EqualToRule(num target, {String? errorMessage})

Creates an EqualToRule with the given target value and an optional errorMessage.

const

Properties

defaultMessage → Map<String, String>

Provides default error messages in multiple languages.

no setter, override

errorMessage → String?

The error message to be displayed if validation fails.

final, inherited

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

target → num

The target value that the input should be equal to.

final

Methods

isValid(BuildContext context, String? value) → String?

Validates if the value is equal to the target.

override

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited