Remove reference in for loop

Author: Kaaserne

examples/repeat.cpp

@@ -2,19 +2,20 @@
 #include <iostream>
 
 int main() {
+    // Example usage of lz::repeat, yields elements by value
     const auto to_repeat = 155;
     const auto amount = 4;
     const auto repeater_n = lz::repeat(to_repeat, amount);
     const auto repeater_inf = lz::repeat(to_repeat);
 
 #ifdef LZ_HAS_CXX_17
-    for (int& i : repeater_n) {
+    for (int i : repeater_n) {
         std::cout << i << ' ';
         // Or use fmt::print("{} ", i);
     }
     // Output: 155 155 155 155
 
-    for (const auto& i : repeater_inf) {
+    for (const auto i : repeater_inf) {
         std::cout << i << ' ';
         // Or use fmt::print("{} ", i);
     }