yxhuvud

class KnightTravails

  def initialize size=8
    @size = size
    @board = Array.new(@size) { Array.new(@size)}
  end

  def knight_path start_node, end_node, forbidden_nodes
    mark_forbidden forbidden_nodes
    path = breadth_first_search start_node, end_node 

yxhuvud

# -*- tab-width:4 -*-
def x():
    if 1:
        if 0:
            print "x 12 space"
	    print "x 1 tab plus 4 space"

# -*- tab-width:8 -*-
def y():
    if 1:

yxhuvud

irb(main):001:0> class A
irb(main):002:1> def foo
irb(main):003:2> puts 'foo'
irb(main):004:2> end
irb(main):005:1> def foo= bar
irb(main):006:2> puts 'bar'
irb(main):007:2> end
irb(main):008:1> end
=> nil
irb(main):009:0> x = A.new

yxhuvud

class CacheDb
  TABLE_POOL_LIMIT = 15
  DB = :cache_db

  AR_PROTOTYPE = Class.new(ActiveRecord::Base)
  AR_PROTOTYPE.abstract_class = true # To avoid STI inheritance..
  AR_PROTOTYPE.establish_connection DB

  def self.connection
    AR_PROTOTYPE.connection

yxhuvud

Running 156 tasks using 4 parallel threads
1: CXX vm/builtin/constant_table.cpp
2: CXX vm/builtin/data.cpp
3: CXX vm/builtin/block_environment.cpp
4: CXX vm/builtin/compiled_code.cpp
In file included from /usr/lib/llvm-3.0/include/llvm/BasicBlock.h:18:0,
                 from /usr/lib/llvm-3.0/include/llvm/Function.h:23,
                 from /usr/lib/llvm-3.0/include/llvm/Module.h:18,
                 from /home/linus/prog/rubinius/vm/llvm/state.hpp:15,
                 from vm/builtin/block_environment.cpp:23:

yxhuvud

The Rubinius process is aborting with signal: SIGSEGV
--- begin system backtrace ---
bin/rbx() [0x6574b9]
/lib/x86_64-linux-gnu/libpthread.so.0(+0x10340) [0x7fc52c1f8340]
bin/rbx(_ZN8rubinius16GarbageCollector11scan_objectEPNS_6ObjectE+0x16c) [0x7071cc]
bin/rbx(_ZN8rubinius7BakerGC17handle_promotionsEv+0x34) [0x703264]
bin/rbx(_ZN8rubinius7BakerGC7collectEPNS_6GCDataEPNS_17YoungCollectStatsE+0x302) [0x703e82]
bin/rbx(_ZN8rubinius12ObjectMemory13collect_youngEPNS_5StateEPNS_6GCDataEPNS_17YoungCollectStatsE+0x7c) [0x644d2c]
bin/rbx(_ZN8rubinius12ObjectMemory13collect_maybeEPNS_5StateERNS_11GCTokenImplEPNS_9CallFrameE+0x23a) [0x6451ca]
bin/rbx(_ZN8rubinius2VM13collect_maybeERNS_11GCTokenImplEPNS_9CallFrameE+0x42) [0x6827d2]

yxhuvud

"test".each_char do |char|
       ^~~~~~~~~

in ./test.cr:13: no overload matches 'Hash({Char | Symbol, Int32}, Item)#[]=' with types {Char, Int32}, Item
Overloads are:
 - Hash({Char | Symbol, Int32}, Item)#[]=(key : {Char | Symbol, Int32}, value : Item)

  foo[{char, 42}] = Item.new "foo"
     ^

yxhuvud

class Hash
  def dig(key : K, *args)
    value = fetch(key, nil)
    if args.size == 0 || value.nil?
      return value
    end
    if value.responds_to?(:dig)
      value.dig(*args)
    else
      raise ArgumentError.new

yxhuvud

data = ['0', '1']
while data.size.even?
  data = data.each_slice(2).map do |(a, b)|
    a == b ? '1' : '0'
  end
end
data

yxhuvud

require "benchmark"
require "big"

struct Int
  def binary_gcd(other)
    u = self.abs
    v = other.abs
    shift = self.class.zero

    return v if u == 0