dirvine

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dirvine

# This file has been auto-generated by i3-config-wizard(1).
# It will not be overwritten, so edit it as you like.
#
# Should you change your keyboard layout some time, delete
# this file and re-run i3-config-wizard(1).
#

# i3 config file (v4)
#
# Please see https://i3wm.org/docs/userguide.html for a complete reference!

dirvine

#include <boost/program_options.hpp>
#include <thread>
#include <chrono>
#include <iostream>

namespace po = boost::program_options;

int main(int ac, char* av[]) {
  po::options_description desc("Allowed options");
  desc.add_options()

dirvine

Keybase proof

I hereby claim:

• I am dirvine on github.
• I am dirvine (https://keybase.io/dirvine) on keybase.
• I have a public key ASA2eTly6DqSDQl54W0_CvfbASdSiA_xvXcQsl_jnPrQFwo

To claim this, I am signing this object:

dirvine

This is a small demo of how to create a library in Rust and call it from Python (both CPython and PyPy) using the CFFI instead of ctypes.

Based on http://harkablog.com/calling-rust-from-c-and-python.html (dead) which used ctypes

CFFI is nice because:

• Reads C declarations (parses headers)
• Works in both CPython and PyPy (included with PyPy)
• Lower call overhead than ctypes

dirvine

#ifndef MY_CLASS_H
#define MY_CLASS_H

#include <tuple>
#include <utility>

template <typename T, typename U>
struct MyClass {     
    T first;
    U second;

dirvine

/*
 * =====================================================================================
 *
 *       Filename:  turing.cc
 *
 *    Description:  
 *
 *        Version:  1.0
 *        Created:  30/07/12 19:16:46
 *       Revision:  none

dirvine

/*
 * =====================================================================================
 *
 *       Filename:  max_template.cc
 *
 *    Description:  simple template example
 *
 *        Version:  1.0
 *        Created:  25/07/12 19:56:01
 *       Revision:  none

dirvine

// sfinae test for has ThisFunc() method
template <typename T>
class has_this_func {
  typedef char one[1];
  typedef char two[2];
  template <typename U> static one test(decltype(&U::ThisFunc());  // could also be *U::Routing() for pointer to ThisFunc
// the above gets masked out as sfinae will choose two
  template <typename U) static two test(...);
 public:
  static bool const value = sizeof(test<T>(0)) == sizeof(one);

dirvine

union Endian {
  char c;
  int i;
  Endian(void) : i(1) { };
  bool big(void) { return !!c; }; 
} endian;

cerr << (endian.big() ? "big" : "little");