--FILE-- v::subset([1, 2])->check([1, 2, 3])); exceptionMessage(static fn() => v::not(v::subset([1, 2, 3]))->check([1, 2])); exceptionFullMessage(static fn() => v::subset(['A', 'B'])->assert(['B', 'C'])); exceptionFullMessage(static fn() => v::not(v::subset(['A']))->assert(['A'])); ?> --EXPECT-- `[1, 2, 3]` must be subset of `[1, 2]` `[1, 2]` must not be subset of `[1, 2, 3]` - `["B", "C"]` must be subset of `["A", "B"]` - `["A"]` must not be subset of `["A"]`