Run "go fmt" on all .go files

about_enumeration.go

@@ -1,28 +1,28 @@
 package go_koans
 
 func aboutEnumeration() {
-  {
-    var concatenated string
-    var total int
+	{
+		var concatenated string
+		var total int
 
-    strings := []string{"hello", " world", "!"}
-    for i, v := range strings {
-      total += i
-      concatenated += v
-    }
+		strings := []string{"hello", " world", "!"}
+		for i, v := range strings {
+			total += i
+			concatenated += v
+		}
 
-    assert(concatenated == __string__) // for loops have a modern variation
-    assert(total == __int__)           // which offers both a value and an index
-  }
+		assert(concatenated == __string__) // for loops have a modern variation
+		assert(total == __int__)           // which offers both a value and an index
+	}
 
-  {
-    var totalLength int
+	{
+		var totalLength int
 
-    strings := []string{"hello", " world", "!"}
-    for _, v := range strings {
-      totalLength += len(v)
-    }
+		strings := []string{"hello", " world", "!"}
+		for _, v := range strings {
+			totalLength += len(v)
+		}
 
-    assert(totalLength == __int__) // although we may omit either value
-  }
+		assert(totalLength == __int__) // although we may omit either value
+	}
 }