Percolation/Site percolation: Difference between revisions

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@@ Line 237: / Line 237: @@
             immutable r = rng.front / cast(double)rng.max;
             rng.popFront;
-            cell = r < probability ? Cell.empty : Cell.filled;
+            cell = (r < probability) ? Cell.empty : Cell.filled;
         }
 }
@@ Line 245: / Line 245: @@
     line.writeln;
     foreach (const ref row; grid)
-        writeln('|' ~ cast(BaseType[nCols])row ~ '|');
+        writeln('|', cast(BaseType[nCols])row, '|');
     line.writeln;
 }