hpoit

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In [3]:

abstract type Stone end
​
struct Empty <: Stone end
struct Black <: Stone end
struct White <: Stone end
​
Base.show(io::IO, ::Black) = print(io, "⚈")

hpoit

abstract type Stone end

struct Empty <: Stone end
struct Black <: Stone end
struct White <: Stone end

Base.show(io::IO, ::Black) = print(io, "⚈")
Base.show(io::IO, ::White) = print(io, "⚆")
Base.show(io::IO, ::Empty) = print(io, "·")

hpoit

julia> abstract type Stone end

julia> struct Empty <: Stone end
julia> struct Black <: Stone end
julia> struct White <: Stone end

julia> Base.show(io::IO, ::Black) = print(io, "⚈")
julia> Base.show(io::IO, ::White) = print(io, "⚆")
julia> Base.show(io::IO, ::Empty) = print(io, "·")

hpoit

/*
 * board.js - Game logic for the board game Go
 */
var Board = function(size) {
    this.current_color = Board.BLACK;
    this.size = size;
    this.board = this.create_board(size);
    this.last_move_passed = false;
    this.in_atari = false;
    this.attempted_suicide = false;

hpoit

Last login: Fri Jan 12 13:47:11 on ttys000
Kevins-MBP:~ Corvus$ exec '/Applications/Julia-0.6.app/Contents/Resources/julia/bin/julia'
               _
   _       _ _(_)_     |  A fresh approach to technical computing
  (_)     | (_) (_)    |  Documentation: https://docs.julialang.org
   _ _   _| |_  __ _   |  Type "?help" for help.
  | | | | | | |/ _` |  |
  | | |_| | | | (_| |  |  Version 0.6.0 (2017-06-19 13:05 UTC)
 _/ |\__'_|_|_|\__'_|  |  Official http://julialang.org/ release
|__/                   |  x86_64-apple-darwin13.4.0

hpoit

julia> abstract type Stone end
julia> struct Black <: Stone end
julia> struct White <: Stone end

julia> abstract type Emptiness end
julia> struct Empty <: Emptiness end

# julia> Base.show(io::IO, ::Empty) = print(io, "·")
# julia> Base.show(io::IO, ::Black) = print(io, "⚈")
# julia> Base.show(io::IO, ::White) = print(io, "⚆")

hpoit

julia> abstract type Stone end
julia> struct Black <: Stone end
julia> struct White <: Stone end

julia> abstract type Emptiness end
julia> struct Empty <: Emptiness end

julia> Base.show(io::IO, ::Empty) = print(io, "·")
julia> Base.show(io::IO, ::Black) = print(io, "⚈")
julia> Base.show(io::IO, ::White) = print(io, "⚆")

hpoit

julia> i = 1;

julia> runningtime1 = 100i^2;

julia> runningtime2 = 2^i;

julia> while true # is a loop that never terminates, unless there's a break
          println(i)
          if runningtime1 < runningtime2 # if condition is true, break
              break

hpoit

# for n = 1, `log(2, 1) = 0`, making merge time equal 0
# start with n = 2

julia> n = 2;

julia> insertiontime = 8*n^2;

julia> mergetime = 64*n*log(2,n);

julia> while true 

hpoit

https://rosettacode.org/wiki/Sorting_algorithms/Merge_sort#Julia

julia> function mergesort(arr::Vector)
           if length(arr) ≤ 1 return arr end
           mid = length(arr) ÷ 2
           lpart = mergesort(arr[1:mid])
           rpart = mergesort(arr[mid+1:end])
           rst = similar(arr)
           i = ri = li = 1
           @inbounds while li ≤ length(lpart) && ri ≤ length(rpart)