examples cleanup

develop/cmake/SetupTargets.cmake

@@ -16,6 +16,7 @@ target_compile_options(${PROJECT_NAME}.setup_targets INTERFACE
         -Wno-c++98-compat-pedantic
         -Wno-exit-time-destructors
         -Wno-padded
+        -Wno-unneeded-internal-declaration
         -Wno-unused-macros
         -Wno-unused-member-function
         -Wno-weak-vtables

develop/manuals/meta_manuals/class_manual.cpp

@@ -6,8 +6,6 @@
 
 #include "../meta_manuals.hpp"
 
-#include <iostream>
-
 namespace
 {
     class shape {
@@ -60,11 +58,17 @@ TEST_CASE("meta/meta_manuals/class/type") {
     const meta::class_type rectangle_type = meta::resolve_type<rectangle>();
 
     // prints all class methods
-    std::cout << "* rectangle" << std::endl;
+    fmt::print("* rectangle\n");
     for ( const meta::method& method : rectangle_type.get_methods() ) {
-        std::cout << "  + " << method.get_name()
-                  << "/" << method.get_type().get_arity() << std::endl;
+        fmt::print("  + {}/{}\n",
+            method.get_name(),
+            method.get_type().get_arity());
     }
+
+    // Output:
+    // * rectangle
+    //   + get_height/0
+    //   + get_width/0
 }
 
 TEST_CASE("meta/meta_manuals/class/usage") {

develop/manuals/meta_manuals/enum_manual.cpp

@@ -6,8 +6,6 @@
 
 #include "../meta_manuals.hpp"
 
-#include <iostream>
-
 namespace
 {
     enum class align {
@@ -36,11 +34,18 @@ TEST_CASE("meta/meta_manuals/enum/type") {
     CHECK(align_type.get_underlying_type() == meta::resolve_type<int>());
 
     // prints all enumerators
-    std::cout << "* align" << std::endl;
+    fmt::print("* align\n");
     for ( const meta::evalue& evalue : align_type.get_evalues() ) {
-        std::cout << "  - " << evalue.get_name()
-                  << "/" << evalue.get_underlying_value_as<int>() << std::endl;
+        fmt::print("  - {}/{}\n",
+            evalue.get_name(),
+            evalue.get_underlying_value_as<int>());
     }
+
+    // Output:
+    // * align
+    //   - center/2
+    //   - left/0
+    //   - right/1
 }
 
 TEST_CASE("meta/meta_manuals/enum/usage") {

develop/manuals/meta_manuals/function_manual.cpp

@@ -6,8 +6,6 @@
 
 #include "../meta_manuals.hpp"
 
-#include <iostream>
-
 namespace
 {
     int add(int a, int b) {
@@ -73,9 +71,15 @@ TEST_CASE("meta/meta_manuals/function/usage") {
     CHECK(sub_function_typed_result == 42);
 
     // prints all functions in the scope
-    std::cout << "* " << math_scope.get_name() << std::endl;
+    fmt::print("* {}\n", math_scope.get_name());
     for ( const meta::function& function : math_scope.get_functions() ) {
-        std::cout << "  + " << function.get_name()
-                  << "/" << function.get_type().get_arity() << std::endl;
+        fmt::print("  + {}/{}\n",
+            function.get_name(),
+            function.get_type().get_arity());
     }
+
+    // Output:
+    // * math
+    //   + add/2
+    //   + sub/2
 }

develop/manuals/meta_manuals/scopes_manual.cpp

@@ -19,26 +19,22 @@ namespace
     const ivec2 unit2{1, 1};
     const ivec3 unit3{1, 1, 1};
 
-    [[maybe_unused]]
     int dot2(const ivec2& a, const ivec2& b) {
         return a.x * b.x
              + a.y * b.y;
     }
 
-    [[maybe_unused]]
     int dot3(const ivec3& a, const ivec3& b) {
         return a.x * b.x
              + a.y * b.y
              + a.z * b.z;
     }
 
-    [[maybe_unused]]
     bool operator==(const ivec2& a, const ivec2& b) {
         return a.x == b.x
             && a.y == b.y;
     }
 
-    [[maybe_unused]]
     bool operator==(const ivec3& a, const ivec3& b) {
         return a.x == b.x
             && a.y == b.y

develop/manuals/meta_manuals/variable_manual.cpp

@@ -6,8 +6,6 @@
 
 #include "../meta_manuals.hpp"
 
-#include <iostream>
-
 namespace
 {
     const double pi_v{3.1415926536};
@@ -42,9 +40,15 @@ TEST_CASE("meta/meta_manuals/variable/usage") {
     CHECK_THROWS(pi_variable.set(6.0));
 
     // prints all variables in the scope
-    std::cout << "* " << constants_scope.get_name() << std::endl;
+    fmt::print("* {}\n", constants_scope.get_name());
     for ( const meta::variable& variable : constants_scope.get_variables() ) {
-        std::cout << "  - " << variable.get_name()
-                  << ":" << variable.get_as<double>() << std::endl;
+        fmt::print("  - {} : {}\n",
+            variable.get_name(),
+            variable.get_as<double>());
     }
+
+    // Output:
+    // * constants
+    //   - pi_v : 3.1415926536
+    //   - sqrt2_v : 1.4142135624
 }

develop/singles/headers/meta.hpp/meta_all.hpp

@@ -14,7 +14,6 @@
 #include <cstdlib>
 #include <functional>
 #include <initializer_list>
-#include <iosfwd>
 #include <map>
 #include <memory>
 #include <mutex>