-
-
Save osamutake/fbbbd99c8f670335fa55afc0bfaa0438 to your computer and use it in GitHub Desktop.
try end ブロックで変数スコープを制限する
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| { | |
| "cells": [ | |
| { | |
| "metadata": { | |
| "toc": true | |
| }, | |
| "cell_type": "markdown", | |
| "source": "<h1>Table of Contents<span class=\"tocSkip\"></span></h1>\n<div class=\"toc\"><ul class=\"toc-item\"><li><span><a href=\"#try-end-ブロックで変数スコープを制限する\" data-toc-modified-id=\"try-end-ブロックで変数スコープを制限する-1\"><span class=\"toc-item-num\">1 </span>try end ブロックで変数スコープを制限する</a></span></li></ul></div>" | |
| }, | |
| { | |
| "metadata": {}, | |
| "cell_type": "markdown", | |
| "source": "# try end ブロックで変数スコープを制限する\n\n一次変数 data をグローバルに宣言したくないようなときに、try end ブロックで括ると良い気がする。" | |
| }, | |
| { | |
| "metadata": { | |
| "trusted": true | |
| }, | |
| "cell_type": "code", | |
| "source": "import Plots\nPlots.gr()\ntry\n data = rand(10)\n Plots.plot(data)\nend", | |
| "execution_count": 1, | |
| "outputs": [ | |
| { | |
| "output_type": "execute_result", | |
| "execution_count": 1, | |
| "data": { | |
| "image/svg+xml": "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n<svg xmlns=\"http://www.w3.org/2000/svg\" xmlns:xlink=\"http://www.w3.org/1999/xlink\" width=\"600\" height=\"400\" viewBox=\"0 0 600 400\">\n<defs>\n <clipPath id=\"clip4300\">\n <rect x=\"0\" y=\"0\" width=\"600\" height=\"400\"/>\n </clipPath>\n</defs>\n<polygon clip-path=\"url(#clip4300)\" points=\"\n0,400 600,400 600,0 0,0 \n \" fill=\"#ffffff\" fill-opacity=\"1\"/>\n<defs>\n <clipPath id=\"clip4301\">\n <rect x=\"120\" y=\"0\" width=\"421\" height=\"400\"/>\n </clipPath>\n</defs>\n<polygon clip-path=\"url(#clip4300)\" points=\"\n32.4745,375.869 580.315,375.869 580.315,11.811 32.4745,11.811 \n \" fill=\"#ffffff\" fill-opacity=\"1\"/>\n<defs>\n <clipPath id=\"clip4302\">\n <rect x=\"32\" y=\"11\" width=\"549\" height=\"365\"/>\n </clipPath>\n</defs>\n<polyline clip-path=\"url(#clip4302)\" style=\"stroke:#000000; stroke-width:0.5; stroke-opacity:0.1; fill:none\" points=\"\n 93.3457,375.869 93.3457,11.811 \n \"/>\n<polyline clip-path=\"url(#clip4302)\" style=\"stroke:#000000; stroke-width:0.5; stroke-opacity:0.1; fill:none\" points=\"\n 215.088,375.869 215.088,11.811 \n \"/>\n<polyline clip-path=\"url(#clip4302)\" style=\"stroke:#000000; stroke-width:0.5; stroke-opacity:0.1; fill:none\" points=\"\n 336.83,375.869 336.83,11.811 \n \"/>\n<polyline clip-path=\"url(#clip4302)\" style=\"stroke:#000000; stroke-width:0.5; stroke-opacity:0.1; fill:none\" points=\"\n 458.573,375.869 458.573,11.811 \n \"/>\n<polyline clip-path=\"url(#clip4302)\" style=\"stroke:#000000; stroke-width:0.5; stroke-opacity:0.1; fill:none\" points=\"\n 580.315,375.869 580.315,11.811 \n \"/>\n<polyline clip-path=\"url(#clip4302)\" style=\"stroke:#000000; stroke-width:0.5; stroke-opacity:0.1; fill:none\" points=\"\n 32.4745,327.391 580.315,327.391 \n \"/>\n<polyline clip-path=\"url(#clip4302)\" style=\"stroke:#000000; stroke-width:0.5; stroke-opacity:0.1; fill:none\" points=\"\n 32.4745,246.478 580.315,246.478 \n \"/>\n<polyline clip-path=\"url(#clip4302)\" style=\"stroke:#000000; stroke-width:0.5; stroke-opacity:0.1; fill:none\" points=\"\n 32.4745,165.564 580.315,165.564 \n \"/>\n<polyline clip-path=\"url(#clip4302)\" style=\"stroke:#000000; stroke-width:0.5; stroke-opacity:0.1; fill:none\" points=\"\n 32.4745,84.6508 580.315,84.6508 \n \"/>\n<polyline clip-path=\"url(#clip4300)\" style=\"stroke:#000000; stroke-width:1; stroke-opacity:1; fill:none\" points=\"\n 32.4745,375.869 580.315,375.869 \n \"/>\n<polyline clip-path=\"url(#clip4300)\" style=\"stroke:#000000; stroke-width:1; stroke-opacity:1; fill:none\" points=\"\n 32.4745,375.869 32.4745,11.811 \n \"/>\n<polyline clip-path=\"url(#clip4300)\" style=\"stroke:#000000; stroke-width:1; stroke-opacity:1; fill:none\" points=\"\n 93.3457,375.869 93.3457,370.408 \n \"/>\n<polyline clip-path=\"url(#clip4300)\" style=\"stroke:#000000; stroke-width:1; stroke-opacity:1; fill:none\" points=\"\n 215.088,375.869 215.088,370.408 \n \"/>\n<polyline clip-path=\"url(#clip4300)\" style=\"stroke:#000000; stroke-width:1; stroke-opacity:1; fill:none\" points=\"\n 336.83,375.869 336.83,370.408 \n \"/>\n<polyline clip-path=\"url(#clip4300)\" style=\"stroke:#000000; stroke-width:1; stroke-opacity:1; fill:none\" points=\"\n 458.573,375.869 458.573,370.408 \n \"/>\n<polyline clip-path=\"url(#clip4300)\" style=\"stroke:#000000; stroke-width:1; stroke-opacity:1; fill:none\" points=\"\n 580.315,375.869 580.315,370.408 \n \"/>\n<polyline clip-path=\"url(#clip4300)\" style=\"stroke:#000000; stroke-width:1; stroke-opacity:1; fill:none\" points=\"\n 32.4745,327.391 40.6921,327.391 \n \"/>\n<polyline clip-path=\"url(#clip4300)\" style=\"stroke:#000000; stroke-width:1; stroke-opacity:1; fill:none\" points=\"\n 32.4745,246.478 40.6921,246.478 \n \"/>\n<polyline clip-path=\"url(#clip4300)\" style=\"stroke:#000000; stroke-width:1; stroke-opacity:1; fill:none\" points=\"\n 32.4745,165.564 40.6921,165.564 \n \"/>\n<polyline clip-path=\"url(#clip4300)\" style=\"stroke:#000000; stroke-width:1; stroke-opacity:1; fill:none\" points=\"\n 32.4745,84.6508 40.6921,84.6508 \n \"/>\n<g clip-path=\"url(#clip4300)\">\n<text style=\"fill:#000000; fill-opacity:1; font-family:Arial,Helvetica Neue,Helvetica,sans-serif; font-size:12; text-anchor:middle;\" transform=\"rotate(0, 93.3457, 389.669)\" x=\"93.3457\" y=\"389.669\">2</text>\n</g>\n<g clip-path=\"url(#clip4300)\">\n<text style=\"fill:#000000; fill-opacity:1; font-family:Arial,Helvetica Neue,Helvetica,sans-serif; font-size:12; text-anchor:middle;\" transform=\"rotate(0, 215.088, 389.669)\" x=\"215.088\" y=\"389.669\">4</text>\n</g>\n<g clip-path=\"url(#clip4300)\">\n<text style=\"fill:#000000; fill-opacity:1; font-family:Arial,Helvetica Neue,Helvetica,sans-serif; font-size:12; text-anchor:middle;\" transform=\"rotate(0, 336.83, 389.669)\" x=\"336.83\" y=\"389.669\">6</text>\n</g>\n<g clip-path=\"url(#clip4300)\">\n<text style=\"fill:#000000; fill-opacity:1; font-family:Arial,Helvetica Neue,Helvetica,sans-serif; font-size:12; text-anchor:middle;\" transform=\"rotate(0, 458.573, 389.669)\" x=\"458.573\" y=\"389.669\">8</text>\n</g>\n<g clip-path=\"url(#clip4300)\">\n<text style=\"fill:#000000; fill-opacity:1; font-family:Arial,Helvetica Neue,Helvetica,sans-serif; font-size:12; text-anchor:middle;\" transform=\"rotate(0, 580.315, 389.669)\" x=\"580.315\" y=\"389.669\">10</text>\n</g>\n<g clip-path=\"url(#clip4300)\">\n<text style=\"fill:#000000; fill-opacity:1; font-family:Arial,Helvetica Neue,Helvetica,sans-serif; font-size:12; text-anchor:end;\" transform=\"rotate(0, 26.4745, 331.891)\" x=\"26.4745\" y=\"331.891\">0.2</text>\n</g>\n<g clip-path=\"url(#clip4300)\">\n<text style=\"fill:#000000; fill-opacity:1; font-family:Arial,Helvetica Neue,Helvetica,sans-serif; font-size:12; text-anchor:end;\" transform=\"rotate(0, 26.4745, 250.978)\" x=\"26.4745\" y=\"250.978\">0.4</text>\n</g>\n<g clip-path=\"url(#clip4300)\">\n<text style=\"fill:#000000; fill-opacity:1; font-family:Arial,Helvetica Neue,Helvetica,sans-serif; font-size:12; text-anchor:end;\" transform=\"rotate(0, 26.4745, 170.064)\" x=\"26.4745\" y=\"170.064\">0.6</text>\n</g>\n<g clip-path=\"url(#clip4300)\">\n<text style=\"fill:#000000; fill-opacity:1; font-family:Arial,Helvetica Neue,Helvetica,sans-serif; font-size:12; text-anchor:end;\" transform=\"rotate(0, 26.4745, 89.1508)\" x=\"26.4745\" y=\"89.1508\">0.8</text>\n</g>\n<polyline clip-path=\"url(#clip4302)\" style=\"stroke:#009af9; stroke-width:1; stroke-opacity:1; fill:none\" points=\"\n 32.4745,195.909 93.3457,375.869 154.217,206.108 215.088,163.047 275.959,140.386 336.83,141.662 397.701,282.737 458.573,24.9496 519.444,11.811 580.315,39.6168 \n \n \"/>\n<polygon clip-path=\"url(#clip4300)\" points=\"\n489.608,62.931 562.315,62.931 562.315,32.691 489.608,32.691 \n \" fill=\"#ffffff\" fill-opacity=\"1\"/>\n<polyline clip-path=\"url(#clip4300)\" style=\"stroke:#000000; stroke-width:1; stroke-opacity:1; fill:none\" points=\"\n 489.608,62.931 562.315,62.931 562.315,32.691 489.608,32.691 489.608,62.931 \n \"/>\n<polyline clip-path=\"url(#clip4300)\" style=\"stroke:#009af9; stroke-width:1; stroke-opacity:1; fill:none\" points=\"\n 495.608,47.811 531.608,47.811 \n \"/>\n<g clip-path=\"url(#clip4300)\">\n<text style=\"fill:#000000; fill-opacity:1; font-family:Arial,Helvetica Neue,Helvetica,sans-serif; font-size:12; text-anchor:start;\" transform=\"rotate(0, 537.608, 52.311)\" x=\"537.608\" y=\"52.311\">y1</text>\n</g>\n</svg>\n" | |
| }, | |
| "metadata": {} | |
| } | |
| ] | |
| }, | |
| { | |
| "metadata": { | |
| "trusted": true | |
| }, | |
| "cell_type": "code", | |
| "source": "data # ここでは data は未定義", | |
| "execution_count": 2, | |
| "outputs": [ | |
| { | |
| "output_type": "error", | |
| "ename": "LoadError", | |
| "evalue": "\u001b[91mUndefVarError: data not defined\u001b[39m", | |
| "traceback": [ | |
| "\u001b[91mUndefVarError: data not defined\u001b[39m", | |
| "", | |
| "Stacktrace:", | |
| " [1] \u001b[1minclude_string\u001b[22m\u001b[22m\u001b[1m(\u001b[22m\u001b[22m::String, ::String\u001b[1m)\u001b[22m\u001b[22m at \u001b[1m./loading.jl:522\u001b[22m\u001b[22m" | |
| ] | |
| } | |
| ] | |
| } | |
| ], | |
| "metadata": { | |
| "kernelspec": { | |
| "name": "julia-0.6", | |
| "display_name": "Julia 0.6.2", | |
| "language": "julia" | |
| }, | |
| "toc": { | |
| "nav_menu": {}, | |
| "number_sections": true, | |
| "sideBar": true, | |
| "skip_h1_title": false, | |
| "base_numbering": 1, | |
| "title_cell": "Table of Contents", | |
| "title_sidebar": "Contents", | |
| "toc_cell": true, | |
| "toc_position": {}, | |
| "toc_section_display": true, | |
| "toc_window_display": false | |
| }, | |
| "language_info": { | |
| "mimetype": "application/julia", | |
| "file_extension": ".jl", | |
| "version": "0.6.2", | |
| "name": "julia" | |
| }, | |
| "gist": { | |
| "id": "", | |
| "data": { | |
| "description": "try end ブロックで変数スコープを制限する", | |
| "public": false | |
| } | |
| } | |
| }, | |
| "nbformat": 4, | |
| "nbformat_minor": 2 | |
| } |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment