Initial data commit

Task/Multi-dimensional-array/Jq/multi-dimensional-array-7.jq

@@ -0,0 +1,13 @@
+def dimensions:
+  def same(f):
+    if length == 0 then true
+    else (.[0]|f) as $first | reduce .[] as $i (true; if . then ($i|f) == $first else . end)
+    end;
+
+  if type == "array"
+  then if length == 0 then [0]
+       elif same( dimensions ) then [length] + (.[0]|dimensions)
+       else null
+       end
+  else []
+  end;