An @ArgValidator that runs the given Func during post-binding validation.
Notes:
This validator is loosely typed, so if your validator function doesn't compile or doesn't work with whatever
type you attach this validator to, you might get some long-winded errors.
An @ArgValidator that runs the given Func during post-binding validation.
Notes: This validator is loosely typed, so if your validator function doesn't compile or doesn't work with whatever type you attach this validator to, you might get some long-winded errors.