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

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

/*
 * 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

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

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

CellToolbar
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, "⚈")