Data commit

Task/Sierpinski-carpet/Go/sierpinski-carpet.go

@@ -0,0 +1,28 @@
+package main
+
+import (
+    "fmt"
+    "strings"
+    "unicode/utf8"
+)
+
+var order = 3
+var grain = "#"
+
+func main() {
+    carpet := []string{grain}
+    for ; order > 0; order-- {
+        // repeat expression allows for multiple character
+        // grain and for multi-byte UTF-8 characters.
+        hole := strings.Repeat(" ", utf8.RuneCountInString(carpet[0]))
+        middle := make([]string, len(carpet))
+        for i, s := range carpet {
+            middle[i] = s + hole + s
+            carpet[i] = strings.Repeat(s, 3)
+        }
+        carpet = append(append(carpet, middle...), carpet...)
+    }
+    for _, r := range carpet {
+        fmt.Println(r)
+    }
+}