--FILE-- v::positive()->check(-10)); exceptionMessage(static fn() => v::not(v::positive())->check(16)); exceptionFullMessage(static fn() => v::positive()->assert('a')); exceptionFullMessage(static fn() => v::not(v::positive())->assert('165')); ?> --EXPECT-- -10 must be positive 16 must not be positive - "a" must be positive - "165" must not be positive