LyIntNonNegative class

Validate the value is not negative.

If the provided value is negative then it will be invalid and will return the error message, otherwise it returns null.

Example:

final validation = IntNonNegative('Must be non negative');
final result = validation(-1);
print(result); // Must be non negative

Constructors

LyIntNonNegative(String message)

Validate the value is not negative.

Properties

hashCode → int

The hash code for this object.

no setter, inherited

message → String

final, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

call(int value) → String?

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toString() → String

A string representation of this object.

inherited

Operators

operator &(LyBaseValidator<int> other) → LyBaseValidator<int>

inherited

operator ==(Object other) → bool

The equality operator.

inherited

operator |(LyBaseValidator<int> other) → LyBaseValidator<int>

inherited