Data update

Task/Metaprogramming/Julia/metaprogramming.jl

@@ -0,0 +1,37 @@
+macro dowhile(condition, block)
+    quote
+        while true
+            $(esc(block))
+            if !$(esc(condition))
+                break
+            end
+        end
+    end
+end
+
+macro dountil(condition, block)
+    quote
+        while true
+            $(esc(block))
+            if $(esc(condition))
+                break
+            end
+        end
+    end
+end
+
+using Primes
+
+arr = [7, 31]
+
+@dowhile (!isprime(arr[1]) && !isprime(arr[2])) begin
+    println(arr)
+    arr .+= 1
+end
+println("Done.")
+
+@dountil (isprime(arr[1]) || isprime(arr[2])) begin
+    println(arr)
+    arr .+= 1
+end
+println("Done.")