ALSchwalm

int main() {
  Mammal *m;
  if (rand() % 2) {
    m = new Cat();
  } else {
    m = new Dog();
  }
  m->walk();

  delete m;

ALSchwalm

#include <cstdlib>
#include <iostream>

struct Mammal {
  Mammal() { std::cout << "Mammal::Mammal\n"; }
  virtual ~Mammal() { std::cout << "Mammal::~Mammal\n"; };
  virtual void run() = 0;
  virtual void walk() = 0;
  virtual void move() { walk(); }
};

ALSchwalm

# Compile c++ to llvm bytecode
clang++ -S -emit-llvm -o bytecode.ll $1

# Convert bytecode to C
llc -march=c -o code.c bytecode.ll

# 'fix' static inline. This is a workaround for a bug
# in one of the parsers, I think.
sed -i 's/static inline.*//' code.c

ALSchwalm

template<typename T>
class Foo {
public:
    Foo() {
        ++c;
    }
private:
    thread_local static int c;
};

ALSchwalm

num test_enum
{
    A,
    B,
    C
};

template<test_enum T>
int f(int x);