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cppx source #1
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p1240r1
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Source code
#include <iostream> #include <vector> #include <experimental/meta> using namespace std::experimental; consteval int getNumFuncsInStd() { int res = 0; template for (constexpr auto mem : meta::members_of(^std)) { if (meta::is_function(mem)) ++res; } return res; } static constexpr int numfuncsinstd = getNumFuncsInStd(); int main() { return numfuncsinstd; }
cppx source #2
Output
Compile to binary object
Link to binary
Execute the code
Intel asm syntax
Demangle identifiers
Verbose demangling
Filters
Unused labels
Library functions
Directives
Comments
Horizontal whitespace
Debug intrinsics
Compiler
CppCon 2017
CppCon 2018
p1240r1
p1240r2 trunk
p2320 trunk
Options
Source code
#include <iostream> #include <vector> #include <experimental/meta> using namespace std::experimental; consteval int getNumFuncsInStd() { int res = 0; template for (constexpr auto mem : meta::members_of(^std, meta::is_function)) { ++res; } return res; } static constexpr int numfuncsinstd = getNumFuncsInStd(); int main() { return numfuncsinstd; }
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