Go - Pangram Done

go/pangram/pangram.go

@@ -0,0 +1,20 @@
+package pangram
+
+import "strings"
+
+const testVersion = 1
+
+func IsPangram(inp string) bool {
+	used := make(map[rune]int)
+	inp = strings.ToLower(inp)
+	for _, l := range inp {
+		used[l] = used[l] + 1
+	}
+
+	for i := 'a'; i <= 'z'; i++ {
+		if used[i] == 0 {
+			return false
+		}
+	}
+	return true
+}