<?xml version="1.0" encoding="utf-8" ?> <!-- for emacs: -*- coding: utf-8 -*- --> <!-- Apache may like this line in the file .htaccess: AddCharset utf-8 .html --> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1 plus MathML 2.0 plus SVG 1.1//EN" "http://www.w3.org/2002/04/xhtml-math-svg/xhtml-math-svg-flat.dtd" > <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en"> <head><title>scan(ZZ,Function) -- apply a function to 0 .. n-1</title> <link rel="stylesheet" type="text/css" href="../../../../Macaulay2/Style/doc.css"/> </head> <body> <table class="buttons"> <tr> <td><div><a href="_scan__Keys.html">next</a> | <a href="_scan.html">previous</a> | <a href="_scan__Keys.html">forward</a> | <a href="_scan.html">backward</a> | up | <a href="index.html">top</a> | <a href="master.html">index</a> | <a href="toc.html">toc</a> | <a href="http://www.math.uiuc.edu/Macaulay2/">Macaulay2 web site</a></div> </td> </tr> </table> <hr/> <div><h1>scan(ZZ,Function) -- apply a function to 0 .. n-1</h1> <div class="single"><h2>Synopsis</h2> <ul><li><span>Function: <a href="_scan.html" title="apply a function to each element">scan</a></span></li> </ul> </div> <div class="single"><h2>Description</h2> <div><tt>scan(n,f)</tt> -- applies the function <tt>f</tt> to each integer in the range <tt>0 .. n-1</tt> discarding the results.<p/> This is equivalent to <tt>scan(0 .. n-1, f)</tt>.<table class="examples"><tr><td><pre>i1 : scan(3,print) 0 1 2</pre> </td></tr> <tr><td><pre>i2 : v = {a,b,c} o2 = {a, b, c} o2 : List</pre> </td></tr> <tr><td><pre>i3 : scan(#v, i -> print(i,v#i)) (0, a) (1, b) (2, c)</pre> </td></tr> </table> </div> </div> </div> </body> </html>