More links to godbolt, cppinsight and cppreference

Author: Sebastien Ponce

talk/concurrency/mutexes.tex

@@ -2,7 +2,7 @@
 
 \begin{frame}[fragile]
   \frametitlecpp[11]{Races}
-  \begin{exampleblock}{Example code}
+  \begin{exampleblock}{Example code \godboltLink{https://godbolt.org/z/oGz61Pn19}}
     \begin{cppcode*}{}
       int a = 0;
       void inc() { a++; };
@@ -98,7 +98,7 @@
     \end{description}
   \end{block}
   \pause
-  \begin{exampleblock}{Practically}
+  \begin{exampleblock}{Practically \godboltLink{https://godbolt.org/z/a5TaaPrad}}
     \begin{cppcode*}{}
       int a = 0;
       std::mutex m;

talk/expert/cpp20concepts.tex

@@ -20,12 +20,12 @@
     leading to a substitution failure
     \end{itemize}
   \end{block}
-  \begin{exampleblock}{Practical code}
+  \begin{exampleblock}{Practical code \godboltLink{https://godbolt.org/z/e4T9q1jfh}}
     \scriptsize
     \begin{cppcode*}{}
     template
     <typename T,
-     typename = std::enable_if_t<std::is_floating_point_v<T>>
+     typename = std::enable_if_t<std::is_floating_point_v<T>>>
     bool equal( T e1, T e2 ) {
       return std::abs(e1-e2)<std::numeric_limits<T>::epsilon();
     }
@@ -56,7 +56,7 @@
       \item The keyword \mintinline{cpp}{requires} lets us define various constraints.
     \end{itemize}
   \end{block}
-  \begin{exampleblock}{With concepts}
+  \begin{exampleblock}{With concepts \godboltLink{https://godbolt.org/z/dWvM9Pvee}}
     \scriptsize
     \begin{cppcode*}{}
     template<typename T>

talk/expert/cpp20spaceship.tex

@@ -46,7 +46,7 @@
 
 \begin{frame}[fragile]
   \frametitlecpp[20]{The three-way comparison operator practically}
-  \begin{exampleblock}{}
+  \begin{exampleblock}{Output of \texttt{operator<=>} - \godboltLink{https://godbolt.org/z/o6Er1zjrf}}
     \begin{cppcode*}{}
     template <typename T>
     void three_way_compare( T lhs, T rhs ) {
@@ -92,7 +92,7 @@
 \begin{frame}[fragile]
   \frametitlecpp[20]{Exercising different orderings}
   \scriptsize
-  \begin{exampleblock}{Example}
+  \begin{exampleblock}{Example \godboltLink{https://godbolt.org/z/s8Gdae4bW}}
     \begin{cppcode*}{}
     struct Ratio {
       unsigned n, d ;

talk/expert/sfinae.tex

@@ -128,7 +128,7 @@
 
 \begin{frame}[fragile]
   \frametitlecpp[11]{Not so easy actually...}
-  \begin{exampleblock}{Example}
+  \begin{exampleblock}{Example \godboltLink{https://godbolt.org/z/Y9Ys4hvWq}}
     \small
     \begin{cppcode*}{}
       template <typename T, typename = void>
@@ -168,7 +168,7 @@
 
 \begin{frame}[fragile]
   \frametitlecpp[17]{Previous introspection example using \texttt{void\_t}}
-    \begin{exampleblock}{Example}
+    \begin{exampleblock}{Example \godboltLink{https://godbolt.org/z/hfMxndP1x}}
       \begin{cppcode*}{}
       template <typename T, typename = void>
       struct hasFoo : std::false_type {};
@@ -212,7 +212,7 @@
 
 \begin{frame}[fragile]
   \frametitle{SFINAE and the STL \hfill \cpp11/\cpp14}
-  \begin{block}{\texttt{enable\_if}}
+  \begin{block}{\texttt{enable\_if} \cpprefLink{https://en.cppreference.com/w/cpp/types/enable_if}}
     \begin{cppcode*}{linenos=false}
       template<bool B, typename T=void>
       struct enable_if;

talk/morelanguage/lambda.tex

@@ -244,7 +244,7 @@
 
 \begin{frame}[fragile]
   \frametitlecpp[11]{Anatomy of a lambda}
-  \begin{block}{Lambdas are pure syntactic sugar - \href{https://cppinsights.io/lnk?code=aW50IG1haW4oKSB7CiAgaW50IHN1bSA9IDAsIG9mZnNldCA9IDE7CiAgYXV0byBsID0gWyZzdW0sIG9mZnNldF0oaW50IHgpIHsKICAgIHN1bSArPSB4ICsgb2Zmc2V0OwogIH07Cn0=&insightsOptions=cpp17&std=cpp17&rev=1.0}{{\color{blue!50!white} see cppinsights.io}}}
+  \begin{block}{Lambdas are pure syntactic sugar - \cppinsightLink{https://cppinsights.io/s/67800da8}}
     \begin{itemize}
     \item they are replaced by a functor during compilation
     \end{itemize}
@@ -293,7 +293,7 @@
 \end{frame}
 
 \begin{frame}[fragile]
-  \frametitlecpp[11]{Higher-order lambdas}
+  \frametitlecpp[11]{Higher-order lambdas \godboltLink{https://godbolt.org/z/GMj76Wer7}}
   \begin{exampleblock}{Example}
     \begin{cppcode*}{}
       auto build_incrementer = [](int inc) {

talk/morelanguage/morestl.tex

@@ -1,7 +1,7 @@
 \subsection[More]{More STL}
 
 \begin{frame}[fragile]
-  \frametitlecpp[17]{\texttt{std::string\_view}}
+  \frametitlecpp[17]{\texttt{std::string\_view} \cpprefLink{https://en.cppreference.com/w/cpp/string/basic_string_view}}
   \begin{block}{Non owning read-only view of a contiguous char sequence}
     \begin{itemize}
     \item Doesn't allocate memory
@@ -23,7 +23,7 @@
 \end{frame}
 
 \begin{frame}[fragile]
-  \frametitlecpp[20]{\texttt{std::span<T>} - Concept}
+  \frametitlecpp[20]{\texttt{std::span<T>} - Concept \cpprefLink{https://en.cppreference.com/w/cpp/container/span}}
   \begin{block}{Non owning view of a contiguous sequence of items}
     \begin{itemize}
     \item Doesn't allocate memory
@@ -85,7 +85,7 @@
 \end{frame}
 
 \begin{frame}[fragile]
-  \frametitlecpp[17]{std::optional}
+  \frametitlecpp[17]{std::optional \cpprefLink{https://en.cppreference.com/w/cpp/utility/optional}}
   \begin{block}{Manages an optionally contained value}
     \begin{itemize}
     \item Contextually converts to bool, telling if it contains something
@@ -148,7 +148,7 @@
 \end{frame}
 
 \begin{frame}[fragile]
-  \frametitlecpp[17]{std::variant}
+  \frametitlecpp[17]{std::variant \cpprefLink{https://en.cppreference.com/w/cpp/utility/variant}}
   \begin{block}{A type-safe union}
     \begin{itemize}
     \item Allows the variable to hold any of the given types
@@ -176,7 +176,7 @@
 
 \begin{frame}[fragile]
   \frametitlecpp[17]{std::variant and the visitor pattern}
-  \begin{block}{\texttt{std::visit}}
+  \begin{block}{\texttt{std::visit} \cpprefLink{https://en.cppreference.com/w/cpp/utility/variant/visit}}
     \begin{itemize}
       \item Applies a ``visitor'' to a given variant
       \begin{itemize}
@@ -185,7 +185,7 @@
       \end{itemize}
     \end{itemize}
   \end{block}
-  \begin{exampleblock}{Practically}
+  \begin{exampleblock}{Practically \godboltLink{https://godbolt.org/z/bxzEsM3de}}
     \small
     \begin{cppcode*}{gobble=2}
       struct Visitor {
@@ -210,7 +210,7 @@
     \item use inheritance to group a set of lambdas
     \end{itemize}
   \end{exampleblock}
-  \begin{block}{Practically}
+  \begin{block}{Practically \godboltLink{https://godbolt.org/z/WcdnT1hra}}
     \small
     \begin{cppcode*}{gobble=2}
       template<typename... Ts> // covered in expert part
@@ -242,7 +242,7 @@
 \end{frame}
 
 \begin{frame}[fragile]
-  \frametitlecpp[17]{std::any}
+  \frametitlecpp[17]{std::any \cpprefLink{https://en.cppreference.com/w/cpp/utility/any}}
   \begin{block}{a type-safe container for single values of any type}
     \begin{itemize}
     \item Allows a variable to hold any type (say bye to \mintinline{cpp}{void*})
@@ -296,7 +296,7 @@
 \end{frame}
 
 \begin{frame}[fragile]
-  \frametitlecpp[11]{\texttt{std::tuple}}
+  \frametitlecpp[11]{\texttt{std::tuple} \cpprefLink{https://en.cppreference.com/w/cpp/utility/tuple}}
   \begin{exampleblock}{}
     \begin{cppcode*}{}
       #include <tuple>

talk/morelanguage/raii.tex

@@ -159,7 +159,7 @@
     What do you expect ?
   \end{exampleblock}
   \pause
-  \begin{alertblock}{Compilation Error}
+  \begin{alertblock}{Compilation Error \godboltLink{https://godbolt.org/z/jfqKjocnh}}
     \begin{minted}{text}
 test.cpp:15:5: error: call to deleted constructor
 of 'std::unique_ptr<Foo>'

talk/morelanguage/ranges.tex

@@ -30,7 +30,7 @@
     \item They introduce easy functional programming to the STL
     \end{itemize}
   \end{block}
-  \begin{exampleblock}{Example}
+  \begin{exampleblock}{Example \godboltLink{https://godbolt.org/z/d1vTv4TMa}}
     { \small
       \begin{cppcode*}{gobble=4}
         auto const numbers = std::views::iota(0, 6);
@@ -71,7 +71,7 @@
     \item Here, the minimal number of iterations is performed
     \end{itemize}
   \end{block}
-  \begin{exampleblock}{Example}
+  \begin{exampleblock}{Example \godboltLink{https://godbolt.org/z/bWe6W69oE}}
     \begin{cppcode*}{gobble=2}
       // print first 20 prime numbers above 1000000
       for (int i: std::views::iota(1000000)