PrimeValidator class

A validator that checks whether a given integer is a prime number.

A prime number is a natural number greater than 1 that has no divisors other than 1 and itself.

Example

final primeValidator = PrimeValidator(message: 'The number must be prime');

print(primeValidator.validate(2)); // null (valid)
print(primeValidator.validate(13)); // null (valid)
print(primeValidator.validate(4)); // 'The number must be prime' (invalid)
print(primeValidator.validate(9)); // 'The number must be prime' (invalid)

Parameters

• message: Custom error message when validation fails.

Inheritance

• Object
• Validator<int>
• ValidatorWithMessage<int>
• PrimeValidator

Constructors

PrimeValidator({required String message})

Creates a PrimeValidator to check if an integer is a prime number.

Properties

hashCode → int

The hash code for this object.

no setter, inherited

message → String

The error message to be returned when validation fails.

final, 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(covariant int value) → String?

Validates the provided value.

override

Operators

operator ==(Object other) → bool

The equality operator.

inherited