CrossFieldRule class

Cross-field validation rule that validates based on multiple fields.

Constructors

CrossFieldRule({required List<String> fields, required String? validator(Map<String, dynamic> values), String? message})

const

Properties

fields → List<String>

The fields involved in this validation.

final

hashCode → int

The hash code for this object.

no setter, inherited

message → String?

Custom error message override.

final

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

validator → String? Function(Map<String, dynamic> values)

Validation function that receives all field values.

final

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(Map<String, dynamic> data) → String?

Validates data against this cross-field rule.

Operators

operator ==(Object other) → bool

The equality operator.

inherited