| 1 | <!DOCTYPE html>\r |
| 2 | <html lang="en">\r |
| 3 | <head>\r |
| 4 | <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">\r |
| 5 | <meta name="generator" content="AsciiDoc 8.6.9">\r |
| 6 | <title>MLtonRandom</title>\r |
| 7 | <link rel="stylesheet" href="./asciidoc.css" type="text/css">\r |
| 8 | <link rel="stylesheet" href="./pygments.css" type="text/css">\r |
| 9 | \r |
| 10 | \r |
| 11 | <script type="text/javascript" src="./asciidoc.js"></script>\r |
| 12 | <script type="text/javascript">\r |
| 13 | /*<![CDATA[*/\r |
| 14 | asciidoc.install();\r |
| 15 | /*]]>*/\r |
| 16 | </script>\r |
| 17 | <link rel="stylesheet" href="./mlton.css" type="text/css">\r |
| 18 | </head>\r |
| 19 | <body class="article">\r |
| 20 | <div id="banner">\r |
| 21 | <div id="banner-home">\r |
| 22 | <a href="./Home">MLton 20180207</a>\r |
| 23 | </div>\r |
| 24 | </div>\r |
| 25 | <div id="header">\r |
| 26 | <h1>MLtonRandom</h1>\r |
| 27 | </div>\r |
| 28 | <div id="content">\r |
| 29 | <div id="preamble">\r |
| 30 | <div class="sectionbody">\r |
| 31 | <div class="listingblock">\r |
| 32 | <div class="content"><div class="highlight"><pre><span class="k">signature</span><span class="w"> </span><span class="n">MLTON_RANDOM</span><span class="w"> </span><span class="p">=</span><span class="w"></span>\r |
| 33 | <span class="w"> </span><span class="k">sig</span><span class="w"></span>\r |
| 34 | <span class="w"> </span><span class="k">val</span><span class="w"> </span><span class="n">alphaNumChar</span><span class="p">:</span><span class="w"> </span><span class="n">unit</span><span class="w"> </span><span class="p">-></span><span class="w"> </span><span class="n">char</span><span class="w"></span>\r |
| 35 | <span class="w"> </span><span class="k">val</span><span class="w"> </span><span class="n">alphaNumString</span><span class="p">:</span><span class="w"> </span><span class="n">int</span><span class="w"> </span><span class="p">-></span><span class="w"> </span><span class="n">string</span><span class="w"></span>\r |
| 36 | <span class="w"> </span><span class="k">val</span><span class="w"> </span><span class="n">rand</span><span class="p">:</span><span class="w"> </span><span class="n">unit</span><span class="w"> </span><span class="p">-></span><span class="w"> </span><span class="n">word</span><span class="w"></span>\r |
| 37 | <span class="w"> </span><span class="k">val</span><span class="w"> </span><span class="n">seed</span><span class="p">:</span><span class="w"> </span><span class="n">unit</span><span class="w"> </span><span class="p">-></span><span class="w"> </span><span class="n">word</span><span class="w"> </span><span class="n">option</span><span class="w"></span>\r |
| 38 | <span class="w"> </span><span class="k">val</span><span class="w"> </span><span class="n">srand</span><span class="p">:</span><span class="w"> </span><span class="n">word</span><span class="w"> </span><span class="p">-></span><span class="w"> </span><span class="n">unit</span><span class="w"></span>\r |
| 39 | <span class="w"> </span><span class="k">val</span><span class="w"> </span><span class="n">useed</span><span class="p">:</span><span class="w"> </span><span class="n">unit</span><span class="w"> </span><span class="p">-></span><span class="w"> </span><span class="n">word</span><span class="w"> </span><span class="n">option</span><span class="w"></span>\r |
| 40 | <span class="w"> </span><span class="k">end</span><span class="w"></span>\r |
| 41 | </pre></div></div></div>\r |
| 42 | <div class="ulist"><ul>\r |
| 43 | <li>\r |
| 44 | <p>\r |
| 45 | <span class="monospaced">alphaNumChar ()</span>\r |
| 46 | </p>\r |
| 47 | <div class="paragraph"><p>returns a random alphanumeric character.</p></div>\r |
| 48 | </li>\r |
| 49 | <li>\r |
| 50 | <p>\r |
| 51 | <span class="monospaced">alphaNumString n</span>\r |
| 52 | </p>\r |
| 53 | <div class="paragraph"><p>returns a string of length <span class="monospaced">n</span> of random alphanumeric characters.</p></div>\r |
| 54 | </li>\r |
| 55 | <li>\r |
| 56 | <p>\r |
| 57 | <span class="monospaced">rand ()</span>\r |
| 58 | </p>\r |
| 59 | <div class="paragraph"><p>returns the next pseudo-random number.</p></div>\r |
| 60 | </li>\r |
| 61 | <li>\r |
| 62 | <p>\r |
| 63 | <span class="monospaced">seed ()</span>\r |
| 64 | </p>\r |
| 65 | <div class="paragraph"><p>returns a random word from <span class="monospaced">/dev/random</span>. Useful as an arg to\r |
| 66 | <span class="monospaced">srand</span>. If <span class="monospaced">/dev/random</span> can not be read from, <span class="monospaced">seed ()</span> returns\r |
| 67 | <span class="monospaced">NONE</span>. A call to <span class="monospaced">seed</span> may block until enough random bits are\r |
| 68 | available.</p></div>\r |
| 69 | </li>\r |
| 70 | <li>\r |
| 71 | <p>\r |
| 72 | <span class="monospaced">srand w</span>\r |
| 73 | </p>\r |
| 74 | <div class="paragraph"><p>sets the seed used by <span class="monospaced">rand</span> to <span class="monospaced">w</span>.</p></div>\r |
| 75 | </li>\r |
| 76 | <li>\r |
| 77 | <p>\r |
| 78 | <span class="monospaced">useed ()</span>\r |
| 79 | </p>\r |
| 80 | <div class="paragraph"><p>returns a random word from <span class="monospaced">/dev/urandom</span>. Useful as an arg to\r |
| 81 | <span class="monospaced">srand</span>. If <span class="monospaced">/dev/urandom</span> can not be read from, <span class="monospaced">useed ()</span> returns\r |
| 82 | <span class="monospaced">NONE</span>. A call to <span class="monospaced">useed</span> will never block — it will instead return\r |
| 83 | lower quality random bits.</p></div>\r |
| 84 | </li>\r |
| 85 | </ul></div>\r |
| 86 | </div>\r |
| 87 | </div>\r |
| 88 | </div>\r |
| 89 | <div id="footnotes"><hr></div>\r |
| 90 | <div id="footer">\r |
| 91 | <div id="footer-text">\r |
| 92 | </div>\r |
| 93 | <div id="footer-badges">\r |
| 94 | </div>\r |
| 95 | </div>\r |
| 96 | </body>\r |
| 97 | </html>\r |