/usr/bin/perl -w
use Scalar::Util qw(looks_like_number);
my $stringwhat_the_fudge;123 doesnt look like a number123 looks like a number操作系统: OSX 10.6.8
perl
$anonfun$apply$1(Future.scala:653) at scala.util.Success.map(Try.scala:209) at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056)