Mon-Ouie

Thread 1 "vulkan_bug" received signal SIGSEGV, Segmentation fault.
0x00007fffef6fba69 in ?? () from /usr/lib/libnvidia-glvkspirv.so.550.67
(gdb) bt
#0  0x00007fffef6fba69 in ?? () from /usr/lib/libnvidia-glvkspirv.so.550.67
#1  0x00007fffef70305f in ?? () from /usr/lib/libnvidia-glvkspirv.so.550.67
#2  0x00007fffef703363 in ?? () from /usr/lib/libnvidia-glvkspirv.so.550.67
#3  0x00007fffef984da7 in ?? () from /usr/lib/libnvidia-glvkspirv.so.550.67
#4  0x00007fffef738db0 in ?? () from /usr/lib/libnvidia-glvkspirv.so.550.67
#5  0x00007fffef72f96c in ?? () from /usr/lib/libnvidia-glvkspirv.so.550.67
#6  0x00007fffef72f9e6 in _nv002nvvm () from /usr/lib/libnvidia-glvkspirv.so.550.67

Mon-Ouie

Mon-Ouie

pry(main):12> ab = 1                                                                                                   
=> 1
pry(main):13> c = 2                                                                                                    
=> 2
pry(main):14> abc = Set.new [ab, c]                                                                                    
=> #<Set: {1, 2}>
pry(main):15> abc > c                                                                                                  
ArgumentError: value must be a set
  from /usr/lib/ruby/2.2.0/set.rb:226:in `proper_superset?'
pry(main):16> abc > Set.new([c])                                                                                       

Mon-Ouie

pry(main):1> ab = Set.new(['a', 'b'])                                                                                  
pry(main):1> require 'set'                                                                                             
=> true
pry(main):2> ab = Set.new(['a', 'b'])                                                                                  
=> #<Set: {"a", "b"}>
pry(main):3> c = Set.new(['c'])                                                                                        
=> #<Set: {"c"}>
pry(main):4> abc = Set.new [ab, c]                                                                                     
=> #<Set: {#<Set: {"a", "b"}>, #<Set: {"c"}>}>
pry(main):5> abc.include? c                                                                                            

Mon-Ouie

# coding: utf-8

class Tree
  def initialize(*children)
    @children = children
  end

  attr_reader :children

  def each_node1

Mon-Ouie

class Tree
  def initialize(*children)
    @children = children
  end

  attr_reader :children

  def each_node1
    return to_enum(:each_node1) unless block_given?

Mon-Ouie

Rehearsal ----------------------------------------------

Mon-Ouie

#include <stdio.h>

//; def int(*args); end
//; def main(*args, &block);
//; Object.class_eval { define_method("foo", &block) }; foo; end
//; def argc; end
//; def char; 3; end
//; def argv; 3; end

int main(int argc, char ** argv) {

Mon-Ouie

def ap(*args, &block)
  lambda do |recv, *new_args, &new_block|
    recv.send(*(args + new_args), &(block || new_block))
  end
end

class Object
  def try_it(*arguments, &block)
    puts "Called try_it on #{inspect} with #{arguments.inspect} and " +
      "block: #{block.inspect}"

Mon-Ouie

def ap(*args, &block)