What does this Zurb Foundation 6 mixin @include xy-grid() mean?

Question

What does this Zurb Foundation 6 mixin mean

 @include xy-grid();

Which one does it define, grid-x or grid-y?

Answer 1

@include xy-grid; This only does display: flex.

You can also use the mixin with arguments to make it vertical (grid-y):

@include xy-grid($direction: vertical, $wrap: false);

API docs: https://foundation.zurb.com/sites/docs/xy-grid.html#xy-grid