boustrophedon

void main() {
  int n = 600851475143;
  var l = new List<int>();
  for (int i = 0; i < n; i++) {
    l.add(i);
  }
}
/* Prints:
   Exhausted heap space, trying to allocate 1073741856 bytes.
   Unhandled exception:

boustrophedon

// dart version
void main() {
  List<int> l = [1,10,5];
  l.sort();
  print(l); // [1, 5, 10]
}

// js version
var l = [1, 10, 5];
l.sort();

boustrophedon

#include <iostream>

int main() {
    int i = 0;
    std::cout << i << " " << ++i << std::endl;

    return 0;
}

boustrophedon

import 'dart:core';
import 'dart:collection';

class Test {
  SplayTreeMap m;
  Test() {
    m = new SplayTreeMap<String, RTest>(_compare);
  }

  int _compare(String s1, String s2) {

boustrophedon

CC=g++
CFLAGS=-Wall -Werror
LDFLAGS=-lopencv_core -lopencv_highgui

all: main

OBJS = main.o

main: $(OBJS)
	$(CC) -o $@ $(OBJS) $(LDFLAGS) 

boustrophedon

foreach (NavMeshAgent a in agents)
{
	if (a.GetComponent<Animator>() != null)
	{
		Animator anim = a.GetComponent<Animator>();

		anim.SetFloat("VSpeed", a.velocity.z);
		anim.SetFloat("HSpeed", a.velocity.x);

		if (Input.GetButtonDown("Fire3")) {

boustrophedon

Linking CXX executable /home/hcs/ros_wk/devel/lib/image_listener/image_listener_node
CMakeFiles/image_listener_node.dir/src/image_listener.cpp.o: In function `ImageListener::image_callback(boost::shared_ptr<sensor_msgs::Image_<std::allocator<void> > const> const&)':
image_listener.cpp:(.text._ZN13ImageListener14image_callbackERKN5boost10shared_ptrIKN11sensor_msgs6Image_ISaIvEEEEE[_ZN13ImageListener14image_callbackERKN5boost10shared_ptrIKN11sensor_msgs6Image_ISaIvEEEEE]+0x51d): undefined reference to `threshold_image(cv::Mat)'
collect2: error: ld returned 1 exit status
make[2]: *** [/home/hcs/ros_wk/devel/lib/image_listener/image_listener_node] Error 1
make[1]: *** [image_listener/CMakeFiles/image_listener_node.dir/all] Error 2
make: *** [all] Error 2

boustrophedon

- lib.rs
  """
  mod my_mod;
  """
- my_mod/
  - mod.rs
    """
    #[cfg(test)]
    mod test;
    """

boustrophedon

fn main() {
  let world = World::new(); // or builder pattern
  let physics = PhysicsSystem::new(); // this would create the ncollide world inside

  // world takes ownership of systems  
  world.add_system(physics);
  // etc.
  
  world.run();

boustrophedon

struct Entity {
  pub id: usize,
  pub ver: usize,
}

impl Eq for Entity {
  fn eq(self, other: Entity) {
     return (self.id == other.id) && (self.ver == other.ver);
  }
}