From: "Jean-François" <jf.web3@...>
Date: 2007-01-11T01:24:22+09:00
Subject: Re: String performance

Robert :> robert@fussel /cygdrive/c/temp> $ cat str_bench.rb> require 'benchmark'>> n = 1_000_000> c = "stuff">> A = "a"> B = "b">> Benchmark.bmbm do |x|>    x.report('\'a\' +') { n.times {'a' + c + 'b'}}>    x.report('"a" +') { n.times {"a" + c + "b"}}>    x.report('a#{') { n.times {"a#{c}b"}}>    x.report('"" <<') { n.times {"" << "a" << c << "b"}}>    x.report('"a" <<') { n.times {"a" << c << "b"}}>>    x.report('A +') { n.times {A + c + B}}>    x.report('"" << A') { n.times {"" << A << c << B}}> end
Hi,
You can add the format way also : "a%sb" % c
x.report('a%sb') { n.times { "a%sb" % c }}
slower than string interpolation.
   -- Jean-François.
-- À la renverse.