Merge pull request #41 from Aadhithya01/improve-reverse-string

Refactor: use []rune and added metadata for string reversal in Go

Author: IamBisrutPyne

snippets/Basics/go/reverse_string.go

@@ -5,24 +5,28 @@
 
 // Reverse a string - placeholder in go
 
+// Time Complexity: O(n)
+// Space Complexity: O(n)
+
 package main
 
 import "fmt"
 
-func reverseString(s string) string {
-    // Convert the string to a byte slice since strings are immutable in Go.
-    str := []byte(s)
-    // Use two pointers to swap characters from start and end.
+// reverse_string reverses the input string and returns the reversed result.
+func reverse_string(s string) string {
+    // Convert the string to a rune slice to support Unicode.
+    str := []rune(s)
+    // Use two pointers to swap runes from start and end.
     for i, j := 0, len(str)-1; i < j; i, j = i+1, j-1 {
         str[i], str[j] = str[j], str[i]
     }
-    // Convert the reversed byte slice back to a string.
+    // Convert the reversed rune slice back to a string.
     return string(str)
 }
 
 func main() {
     // Input string
-    input := "Hacktoberfest"
+    input := "Hacktoberfest 🌍"
     // Print the reversed string
-    fmt.Println(reverseString(input))
-}	
+    fmt.Println(reverse_string(input))
+}