InListRule class

A validation rule that checks if a value is in a list of valid values.

Inheritance

• Object
• ValidatorRule
• InListRule

Constructors

InListRule(List<String> values, {String? errorMessage})

Creates an InListRule with the given list of valid values and an optional errorMessage.

const

Properties

defaultMessage → Map<String, String>

The default error messages for different locales.

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

values → List<String>

The list of valid values.

final

Methods

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

Validates if the value is in the list of valid values.

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