class

NullErr

const class NullErr : Err

NullErr indicates an attempt to dereference null. It is often raised when attempting to access an instance field or method on a null reference. It may also be thrown when a parameter is expecting a non-nullable argument and null is passed.

 constructors make

Construct with specified error message and optional root cause

 make new make(Str msg := "", Err? cause := null)

Construct with specified error message and optional root cause.

 Haxall 4.0.6 ∙ 21-Jul-2026 09:48 EDT