update format

examples/identity_as_default_projection.cpp

@@ -16,15 +16,13 @@
 namespace exe = beman::exemplar;
 
 // Class with a pair of values.
-struct Pair
-{
-    int n;
+struct Pair {
+    int         n;
     std::string s;
 
     // Output the pair in the form {n, s}.
     // Used by the range-printer if no custom projection is provided (default: identity projection).
-    friend std::ostream &operator<<(std::ostream &os, const Pair &p)
-    {
+    friend std::ostream& operator<<(std::ostream& os, const Pair& p) {
         return os << "Pair" << '{' << p.n << ", " << p.s << '}';
     }
 };
@@ -33,37 +31,28 @@ struct Pair
 // All the elements of the range are printed in the form {element1, element2, ...}.
 // e.g., pairs with identity: Pair{1, one}, Pair{2, two}, Pair{3, three}
 // e.g., pairs with custom projection: {1:one, 2:two, 3:three}
-template <std::ranges::input_range R,
-          typename Projection>
-void print_helper(const std::string_view rem, R &&range, Projection projection)
-{
+template <std::ranges::input_range R, typename Projection>
+void print_helper(const std::string_view rem, R&& range, Projection projection) {
     std::cout << rem << '{';
-    std::ranges::for_each(
-        range,
-        [O = 0](const auto &o) mutable
-        { std::cout << (O++ ? ", " : "") << o; },
-        projection);
+    std::ranges::for_each(range, [O = 0](const auto& o) mutable { std::cout << (O++ ? ", " : "") << o; }, projection);
     std::cout << "}\n";
 };
 
 // Print wrapper with exe::identity.
 template <std::ranges::input_range R,
           typename Projection = exe::identity> // <- Notice the default projection.
-void print_beman(const std::string_view rem, R &&range, Projection projection = {})
-{
+void print_beman(const std::string_view rem, R&& range, Projection projection = {}) {
     print_helper(rem, range, projection);
 }
 
 // Print wrapper with std::identity.
 template <std::ranges::input_range R,
           typename Projection = std::identity> // <- Notice the default projection.
-void print_std(const std::string_view rem, R &&range, Projection projection = {})
-{
+void print_std(const std::string_view rem, R&& range, Projection projection = {}) {
     print_helper(rem, range, projection);
 }
 
-int main()
-{
+int main() {
     // A vector of pairs to print.
     const std::vector<Pair> pairs = {
         {1, "one"},
@@ -78,12 +67,8 @@ int main()
 
     // Print the pairs using a custom projection.
     std::cout << "Custom projection:\n";
-    print_beman("\tpairs with beman: ", pairs,
-                [](const auto &p)
-                { return std::to_string(p.n) + ':' + p.s; });
-    print_std("\tpairs with   std: ", pairs,
-              [](const auto &p)
-              { return std::to_string(p.n) + ':' + p.s; });
+    print_beman("\tpairs with beman: ", pairs, [](const auto& p) { return std::to_string(p.n) + ':' + p.s; });
+    print_std("\tpairs with   std: ", pairs, [](const auto& p) { return std::to_string(p.n) + ':' + p.s; });
 
     return 0;
 }