Hi all, In perlfaq4.pod I see one line:
my %hash = map { $_, 1 } @array; What is the usage of 1 in this code? Thanks, Li __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] <http://learn.perl.org/> <http://learn.perl.org/first-response>