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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Is this what you want?<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal style='margin-left:.5in'><span style='font-size:11.0pt;font-family:Consolas;color:#1F497D'>3> Index = fun(X) -> Ranges = [200, 600, 1000, infinity], catch(lists:foldl(fun(R, N) when X < R -> throw(N); (_, N) -> N + 1 end, 1, Ranges)) end.<o:p></o:p></span></p><p class=MsoNormal style='margin-left:.5in'><span style='font-size:11.0pt;font-family:Consolas;color:#1F497D'>#Fun<erl_eval.6.80247286><o:p></o:p></span></p><p class=MsoNormal style='margin-left:.5in'><span style='font-size:11.0pt;font-family:Consolas;color:#1F497D'>4> Index(100).<o:p></o:p></span></p><p class=MsoNormal style='margin-left:.5in'><span style='font-size:11.0pt;font-family:Consolas;color:#1F497D'>1<o:p></o:p></span></p><p class=MsoNormal style='margin-left:.5in'><span style='font-size:11.0pt;font-family:Consolas;color:#1F497D'>5> Index(200).<o:p></o:p></span></p><p class=MsoNormal style='margin-left:.5in'><span style='font-size:11.0pt;font-family:Consolas;color:#1F497D'>2<o:p></o:p></span></p><p class=MsoNormal style='margin-left:.5in'><span style='font-size:11.0pt;font-family:Consolas;color:#1F497D'>6> Index(300).<o:p></o:p></span></p><p class=MsoNormal style='margin-left:.5in'><span style='font-size:11.0pt;font-family:Consolas;color:#1F497D'>2<o:p></o:p></span></p><p class=MsoNormal style='margin-left:.5in'><span style='font-size:11.0pt;font-family:Consolas;color:#1F497D'>7> Index(900).<o:p></o:p></span></p><p class=MsoNormal style='margin-left:.5in'><span style='font-size:11.0pt;font-family:Consolas;color:#1F497D'>3<o:p></o:p></span></p><p class=MsoNormal style='margin-left:.5in'><span style='font-size:11.0pt;font-family:Consolas;color:#1F497D'>8> Index(1000).<o:p></o:p></span></p><p class=MsoNormal style='margin-left:.5in'><span style='font-size:11.0pt;font-family:Consolas;color:#1F497D'>4<o:p></o:p></span></p><p class=MsoNormal style='margin-left:.5in'><span style='font-size:11.0pt;font-family:Consolas;color:#1F497D'>9> Index(111000).<o:p></o:p></span></p><p class=MsoNormal style='margin-left:.5in'><span style='font-size:11.0pt;font-family:Consolas;color:#1F497D'>4<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div style='border:none;border-left:solid blue 1.5pt;padding:0in 0in 0in 4.0pt'><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> erlang-questions-bounces@erlang.org [mailto:erlang-questions-bounces@erlang.org] <b>On Behalf Of </b>Max Bourinov<br><b>Sent:</b> Tuesday, November 15, 2011 7:27 AM<br><b>To:</b> erlang-questions@erlang.org<br><b>Subject:</b> [erlang-questions] How would you do 100 ifs?<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Hi guys,<o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>I have a value X which is integer, and I have a list of ranges [0....200),[200....600),[600...1000)....etc....[100000, infinity] (this is just an example). We can assume that the list is static.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>I have frequently check the index of the range X belongs to.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>How would you implement it in Erlang?<o:p></o:p></p></div><div><p class=MsoNormal><br clear=all><o:p></o:p></p><div><p class=MsoNormal>Best regards,<o:p></o:p></p></div><div><p class=MsoNormal>Max<o:p></o:p></p></div></div></div></div></body></html>