Example fixes. Removal of custom_iterator. Add iterator to detail namespace & rename

Author: MarcDirven

examples/CMakeLists.txt

@@ -19,7 +19,6 @@ set(examples
     chunks
     common
     concatenate
-    custom_iterator
     drop_while
     drop
     enumerate
@@ -60,4 +59,5 @@ set(examples
 foreach(name IN LISTS examples)
     add_executable(example_${name} ${name}.cpp)
     target_link_libraries(example_${name} PRIVATE cpp-lazy::cpp-lazy)
+    target_compile_options(example_${name} PRIVATE -ftemplate-backtrace-limit=0)
 endforeach()

examples/chunk_if.cpp

@@ -42,15 +42,6 @@ int main() {
     // hello world
     //  this is a message
 
-    auto chunked_s = s | lz::s_chunk_if([](const char c) { return c == ';'; });
-    for (auto chunk : chunked_s) {
-        std::cout << chunk << '\n';
-        // or use fmt::print("{}\n", chunk);
-    }
-    // Output:
-    // hello world
-    //  this is a message
-
     // with custom types
     auto chunked_vector = s | lz::t_chunk_if<std::vector<char>>([](const char c) { return c == ';'; });
     for (auto vec_chunk : chunked_vector) {
@@ -94,14 +85,6 @@ int main() {
     // hello world
     //  this is a message
 
-    lz::for_each(s | lz::s_chunk_if([](const char c) { return c == ';'; }), [](const std::string& chunk) {
-        std::cout << chunk << '\n';
-        // or use fmt::print("{}\n", chunk);
-    });
-    // Output:
-    // hello world
-    //  this is a message
-
 #ifdef LZ_HAS_CXX_11
 
     // with custom types

examples/concatenate.cpp

@@ -1,9 +1,9 @@
 #include <Lz/concatenate.hpp>
 #include <Lz/range.hpp>
+#include <array>
 #include <iostream>
 #include <vector>
 
-
 int main() {
     std::array<int, 4> a{1, 2, 3, 4};
     std::array<int, 4> b{5, 6, 7, 8};
@@ -46,4 +46,5 @@ int main() {
     }
     // Output: 21 22 23 24 0 1 2 3 4
     std::cout << '\n';
+    // TODO add reference wrapper
 }

examples/custom_iterator.cpp

@@ -216,10 +216,10 @@ int main() {
     auto to_pad = 3;
     auto padded_ref = pad_numbers | lz::pad(std::ref(to_pad), 2); // {1, 2, 3, 3, 3} by reference
 #ifdef LZ_HAS_CXX_11
-    lz::for_each(padded_ref, [](int& p) { std::cout << p << ' '; });
+    lz::for_each(padded_ref, [](std::reference_wrapper<int> p) { std::cout << p << ' '; });
     // 1 2 3 3 3
 #else
-    for (auto& p : padded_ref) {
+    for (std::reference_wrapper<int> p : padded_ref) {
         std::cout << p << ' ';
     }
 #endif

examples/iter_tools.cpp

@@ -3,6 +3,7 @@
 #include <Lz/split.hpp>
 #include <iostream>
 #include <vector>
+#include <array>
 
 int main() {
     // With split you can split an iterable on a delimiter or an iterable delimiter (multiple delimiters)