I've just downloaded Rakudo, and changing my Perl5 code into Perl6, but I've encountered some difficulties:
1. print '218' =~ s/^18/3/r
2. $_ = '2316'; substr($_, -1, 1) = 8; print
3. map {$s+=int $_*($i=abs int 999/$_)*++$i/2 },(3,5,-15);print $s
4. LOOP:
say q/Please input a number (>1):/;
while(<>){
chomp;
say $_;
goto LOOP;
}
How to make the above four scripts work in Perl6?
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