Data update

Task/Loops-Do-while/Julia/loops-do-while-2.jl

@@ -0,0 +1,26 @@
+julia> @eval macro $(:do)(block, when::Symbol, condition)
+           when ≠ :when && error("@do expected `when` got `$s`")
+           quote
+               let
+                   $block
+                   while $condition
+                       $block
+                   end
+               end
+           end |> esc
+       end
+@do (macro with 1 method)
+
+julia> i = 0
+0
+
+julia> @do begin
+           @show i
+           i += 1
+       end when i % 6 ≠ 0
+i = 0
+i = 1
+i = 2
+i = 3
+i = 4
+i = 5