Luhn class

A class that implements the Luhn checksum formula used to validate a variety of identification numbers, such as credit card numbers, IMEI numbers, etc.

Inheritance

• Object
• CheckDigit<int>
• Luhn

Constructors

Luhn()

const

Properties

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

checkDigit(String data) → int

Computes the check digit from data.

override

checkDigitAsString(String data) → String

Computes the check digit from data as String.

override

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? data) → bool

Validates the data integrity. It assumes that the check digit is appended at end of the data.

override

Operators

operator ==(Object other) → bool

The equality operator.

inherited