CustomValidator class

Inline custom validator — quick one-liners without subclassing.

Inheritance

• Object
• FieldValidator
• CustomValidator

Constructors

CustomValidator(FutureOr<String?> fn(dynamic value, Map<String, dynamic> formValues))

const

Properties

fn → FutureOr<String?> Function(dynamic value, Map<String, dynamic> formValues)

final

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(dynamic value, Map<String, dynamic> formValues) → FutureOr<String?>

Validates value in the context of formValues (all current field values).

override

Operators

operator ==(Object other) → bool

The equality operator.

inherited