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| { | |
| "cells": [ | |
| { | |
| "cell_type": "markdown", | |
| "metadata": { | |
| "toc": "true" | |
| }, | |
| "source": [ | |
| "# Table of Contents\n", | |
| " <p><div class=\"lev1 toc-item\"><a href=\"#Tuple\" data-toc-modified-id=\"Tuple-1\"><span class=\"toc-item-num\">1 </span>Tuple</a></div><div class=\"lev1 toc-item\"><a href=\"#Named-Tuple\" data-toc-modified-id=\"Named-Tuple-2\"><span class=\"toc-item-num\">2 </span>Named Tuple</a></div>" | |
| ] | |
| }, | |
| { | |
| "cell_type": "markdown", | |
| "metadata": {}, | |
| "source": [ | |
| "# Tuple" | |
| ] | |
| }, | |
| { | |
| "cell_type": "code", | |
| "execution_count": 1, | |
| "metadata": { | |
| "ExecuteTime": { | |
| "end_time": "2018-01-30T14:32:12.397000Z", | |
| "start_time": "2018-01-30T05:32:11.381Z" | |
| } | |
| }, | |
| "outputs": [ | |
| { | |
| "data": { | |
| "text/plain": [ | |
| "((1, 2, 3), (2, 3, 4))" | |
| ] | |
| }, | |
| "execution_count": 1, | |
| "metadata": {}, | |
| "output_type": "execute_result" | |
| } | |
| ], | |
| "source": [ | |
| "# 普通のTupleの定義の仕方はPythonと同じ\n", | |
| "tuple_data = (\"apple\", \"orange\", \"banana\")\n", | |
| "several_types = (1, \"apple\", 2)\n", | |
| "tuple_2d = ((1,2,3), (2,3,4))" | |
| ] | |
| }, | |
| { | |
| "cell_type": "code", | |
| "execution_count": 2, | |
| "metadata": { | |
| "ExecuteTime": { | |
| "end_time": "2018-01-30T14:32:13.330000Z", | |
| "start_time": "2018-01-30T05:32:12.990Z" | |
| } | |
| }, | |
| "outputs": [ | |
| { | |
| "data": { | |
| "text/plain": [ | |
| "\"apple\"" | |
| ] | |
| }, | |
| "execution_count": 2, | |
| "metadata": {}, | |
| "output_type": "execute_result" | |
| } | |
| ], | |
| "source": [ | |
| "# 要素の取り出し方も同じ\n", | |
| "tuple_data[1]" | |
| ] | |
| }, | |
| { | |
| "cell_type": "code", | |
| "execution_count": 3, | |
| "metadata": { | |
| "ExecuteTime": { | |
| "end_time": "2018-01-30T14:32:14.388000Z", | |
| "start_time": "2018-01-30T05:32:13.814Z" | |
| } | |
| }, | |
| "outputs": [ | |
| { | |
| "data": { | |
| "text/plain": [ | |
| "([1, 2, 3],)" | |
| ] | |
| }, | |
| "execution_count": 3, | |
| "metadata": {}, | |
| "output_type": "execute_result" | |
| } | |
| ], | |
| "source": [ | |
| "# これはPythonとは少し違う挙動。リストが一要素として入るのか。\n", | |
| "tuple([1,2,3])" | |
| ] | |
| }, | |
| { | |
| "cell_type": "code", | |
| "execution_count": 4, | |
| "metadata": { | |
| "ExecuteTime": { | |
| "end_time": "2018-01-30T14:32:14.799000Z", | |
| "start_time": "2018-01-30T05:32:14.661Z" | |
| } | |
| }, | |
| "outputs": [ | |
| { | |
| "data": { | |
| "text/plain": [ | |
| "(1, 2, 3)" | |
| ] | |
| }, | |
| "execution_count": 4, | |
| "metadata": {}, | |
| "output_type": "execute_result" | |
| } | |
| ], | |
| "source": [ | |
| "# これはPythonではエラーがでるんですが、Juliaだとこれでtupleを定義できるらしい\n", | |
| "tuple(1,2,3)" | |
| ] | |
| }, | |
| { | |
| "cell_type": "code", | |
| "execution_count": 5, | |
| "metadata": { | |
| "ExecuteTime": { | |
| "end_time": "2018-01-30T14:32:16.245000Z", | |
| "start_time": "2018-01-30T05:32:15.373Z" | |
| } | |
| }, | |
| "outputs": [ | |
| { | |
| "ename": "LoadError", | |
| "evalue": "\u001b[91mMethodError: no method matching setindex!(::Tuple{String,String,String}, ::String, ::Int64)\u001b[39m", | |
| "output_type": "error", | |
| "traceback": [ | |
| "\u001b[91mMethodError: no method matching setindex!(::Tuple{String,String,String}, ::String, ::Int64)\u001b[39m", | |
| "" | |
| ] | |
| } | |
| ], | |
| "source": [ | |
| "# もちろん、tupleは不変なので、情報の更新などはできない。\n", | |
| "tuple_data[1] = \"peach\"" | |
| ] | |
| }, | |
| { | |
| "cell_type": "code", | |
| "execution_count": 6, | |
| "metadata": { | |
| "ExecuteTime": { | |
| "end_time": "2018-01-30T14:32:16.941000Z", | |
| "start_time": "2018-01-30T05:32:16.661Z" | |
| } | |
| }, | |
| "outputs": [ | |
| { | |
| "ename": "LoadError", | |
| "evalue": "\u001b[91mMethodError: no method matching push!(::Tuple{String,String,String}, ::Int64)\u001b[0m\nClosest candidates are:\n push!(::Any, ::Any, \u001b[91m::Any\u001b[39m) at abstractarray.jl:1935\n push!(::Any, ::Any, \u001b[91m::Any\u001b[39m, \u001b[91m::Any...\u001b[39m) at abstractarray.jl:1936\n push!(\u001b[91m::Array{Any,1}\u001b[39m, ::ANY) at array.jl:624\n ...\u001b[39m", | |
| "output_type": "error", | |
| "traceback": [ | |
| "\u001b[91mMethodError: no method matching push!(::Tuple{String,String,String}, ::Int64)\u001b[0m\nClosest candidates are:\n push!(::Any, ::Any, \u001b[91m::Any\u001b[39m) at abstractarray.jl:1935\n push!(::Any, ::Any, \u001b[91m::Any\u001b[39m, \u001b[91m::Any...\u001b[39m) at abstractarray.jl:1936\n push!(\u001b[91m::Array{Any,1}\u001b[39m, ::ANY) at array.jl:624\n ...\u001b[39m", | |
| "" | |
| ] | |
| } | |
| ], | |
| "source": [ | |
| "# もちろん、これもできない。\n", | |
| "push!(tuple_data,4)" | |
| ] | |
| }, | |
| { | |
| "cell_type": "markdown", | |
| "metadata": {}, | |
| "source": [ | |
| "# Named Tuple\n", | |
| "\n", | |
| "- [blackrock/NamedTuples.jl | Github](https://github.com/blackrock/NamedTuples.jl)" | |
| ] | |
| }, | |
| { | |
| "cell_type": "code", | |
| "execution_count": null, | |
| "metadata": { | |
| "ExecuteTime": { | |
| "end_time": "2018-01-30T14:30:53.422000Z", | |
| "start_time": "2018-01-30T05:30:31.709Z" | |
| } | |
| }, | |
| "outputs": [], | |
| "source": [ | |
| "# Named Tupleを使うには、専用のパッケージをインストールする必要があります。\n", | |
| "Pkg.add(\"NamedTuples\")" | |
| ] | |
| }, | |
| { | |
| "cell_type": "code", | |
| "execution_count": 7, | |
| "metadata": { | |
| "ExecuteTime": { | |
| "end_time": "2018-01-30T14:32:20.234000Z", | |
| "start_time": "2018-01-30T05:32:19.582Z" | |
| } | |
| }, | |
| "outputs": [], | |
| "source": [ | |
| "# 使い方はREADME.mdに詳細が書かれているが、ここでもいくつか紹介する\n", | |
| "using NamedTuples" | |
| ] | |
| }, | |
| { | |
| "cell_type": "code", | |
| "execution_count": 8, | |
| "metadata": { | |
| "ExecuteTime": { | |
| "end_time": "2018-01-30T14:32:20.968000Z", | |
| "start_time": "2018-01-30T05:32:20.006Z" | |
| } | |
| }, | |
| "outputs": [ | |
| { | |
| "name": "stdout", | |
| "output_type": "stream", | |
| "text": [ | |
| "1\n", | |
| "1\n" | |
| ] | |
| } | |
| ], | |
| "source": [ | |
| "# 辞書と違い、普遍なオブジェクトでありながら、indexとして名前を指定できるのが嬉しい\n", | |
| "named_tuple = @NT( apple=1, banana=2)\n", | |
| "\n", | |
| "# 名前で呼び出してみる\n", | |
| "println(named_tuple.apple)\n", | |
| "\n", | |
| "# もちろん普通にインデックスで指定もできる。\n", | |
| "# Juliaはインデックスが1始まりなのを忘れずに。\n", | |
| "println(named_tuple[1])" | |
| ] | |
| }, | |
| { | |
| "cell_type": "code", | |
| "execution_count": 9, | |
| "metadata": { | |
| "ExecuteTime": { | |
| "end_time": "2018-01-30T14:32:21.245000Z", | |
| "start_time": "2018-01-30T05:32:20.501Z" | |
| } | |
| }, | |
| "outputs": [ | |
| { | |
| "data": { | |
| "text/plain": [ | |
| "(a = 1)" | |
| ] | |
| }, | |
| "execution_count": 9, | |
| "metadata": {}, | |
| "output_type": "execute_result" | |
| } | |
| ], | |
| "source": [ | |
| "# なんか型も指定できるらしい\n", | |
| "named_tuple_type = @NT( apple::Int64, banana::Float64)\n", | |
| "\n", | |
| "# こんな風に指定もできる\n", | |
| "named_tuple_1 = @NT( a, b)(\"apple\", \"banana\")\n", | |
| "named_tuple_2 = @NT( a::Int64 )( 1 )" | |
| ] | |
| }, | |
| { | |
| "cell_type": "code", | |
| "execution_count": null, | |
| "metadata": { | |
| "collapsed": true | |
| }, | |
| "outputs": [], | |
| "source": [] | |
| } | |
| ], | |
| "metadata": { | |
| "kernelspec": { | |
| "display_name": "Julia 0.6.0", | |
| "language": "julia", | |
| "name": "julia-0.6" | |
| }, | |
| "language_info": { | |
| "file_extension": ".jl", | |
| "mimetype": "application/julia", | |
| "name": "julia", | |
| "version": "0.6.0" | |
| }, | |
| "latex_envs": { | |
| "LaTeX_envs_menu_present": true, | |
| "autocomplete": true, | |
| "bibliofile": "biblio.bib", | |
| "cite_by": "apalike", | |
| "current_citInitial": 1, | |
| "eqLabelWithNumbers": true, | |
| "eqNumInitial": 1, | |
| "hotkeys": { | |
| "equation": "Ctrl-E", | |
| "itemize": "Ctrl-I" | |
| }, | |
| "labels_anchors": false, | |
| "latex_user_defs": false, | |
| "report_style_numbering": false, | |
| "user_envs_cfg": false | |
| }, | |
| "toc": { | |
| "colors": { | |
| "hover_highlight": "#DAA520", | |
| "navigate_num": "#000000", | |
| "navigate_text": "#333333", | |
| "running_highlight": "#FF0000", | |
| "selected_highlight": "#FFD700", | |
| "sidebar_border": "#EEEEEE", | |
| "wrapper_background": "#FFFFFF" | |
| }, | |
| "moveMenuLeft": true, | |
| "nav_menu": { | |
| "height": "39px", | |
| "width": "254px" | |
| }, | |
| "navigate_menu": true, | |
| "number_sections": true, | |
| "sideBar": true, | |
| "threshold": 4, | |
| "toc_cell": true, | |
| "toc_section_display": "block", | |
| "toc_window_display": true, | |
| "widenNotebook": false | |
| } | |
| }, | |
| "nbformat": 4, | |
| "nbformat_minor": 2 | |
| } |
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