RequiredValidator class final

Inheritance

• Object
• EasyValidator
• RequiredValidator

Mixed in types

• EasyValidatorMixin

Constructors

RequiredValidator([String? errorMessage])

A validator that checks if a value is required.

const

Properties

errorMessage → String?

final, inherited

hashCode → int

The hash code for this object.

no setter, override

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

getErrorMessage(String message, [String? replacement]) → String

Returns the error message with optional replacement.

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) → String?

Validates the given value and returns an error message if the value is invalid.

override

Operators

operator ==(Object other) → bool

The equality operator.

override