node_modules/jade/support/stylus/test/cases/bifs.opposite-position.styl

   1
   2 body
   3   foo opposite-position()
   4   foo opposite-position(top) == bottom
   5   foo opposite-position(left) == right
   6   foo opposite-position(top left)[0] == bottom
   7   foo opposite-position(top left)[1] == right
   8   val = top left
   9   foo opposite-position(val)