Is Number Power Of Two in Rust (#98)

* fibonacci series

* added description

* Palindrome Checker in Rust

* Two Sum

* PowerOfTwo

Author: yousafsabir

Diff for: Rust/PowerOfTwo.rs

@@ -0,0 +1,20 @@
+// Name: Muhammad Yousaf
+// Username: yousafsabir
+// Approach: performing bitwise AND on number and (number -1), which if number is power of two, always returns 0
+fn main() {
+    let num: i32 = 127;
+    let result = power_of_two(num);
+    if result {
+        println!("{}", "Given Number is power of two")
+    } else {
+        println!("{}", "Given Number is not power of two")
+    }
+}
+
+fn power_of_two(num: i32) -> bool {
+    if (num & (num - 1)) != 0 {
+        return false
+    } else {
+        return true
+    }
+}