Answering my own question, the operator sets the type of $. That's what gradual typing is all about!
$ seq 5 | raku -ne "say $++" 0 1 2 3 4 $ seq 5 | raku -ne "say $ ~= 'Hi' " Hi HiHi HiHiHi HiHiHiHi HiHiHiHiHi $ seq 5 | raku -ne "say $++, $ ~= ' Hi' " 0 Hi 1 Hi Hi 2 Hi Hi Hi 3 Hi Hi Hi Hi 4 Hi Hi Hi Hi Hi -y On Mon, Aug 31, 2020 at 4:39 PM Aureliano Guedes <guedes.aureli...@gmail.com> wrote: > Basically : > > $ raku -e 'my $a = 1; say ++$a; say $a' > 2 > 2 > $ raku -e 'my $a = 1; say $a++; say $a' > 1 > 2 > > On Mon, Aug 31, 2020 at 8:36 PM yary <not....@gmail.com> wrote: > >> $ by itself is an anonymous variable, putting ++ after starts it at 0 >> (hmm or nil?) and increments up. >> >> By putting the plus plus first, ++$, it will start at 1, thanks to >> pre-increment versus post increment >> >> On Mon, Aug 31, 2020, 4:20 PM ToddAndMargo via perl6-users < >> perl6-us...@perl.org> wrote: >> >>> On 2020-08-31 05:53, Brian Duggan wrote: >>> > On Monday, August 24, Curt Tilmes wrote: >>> >> $ cat Lines.txt | raku -e '.say for lines()[3,2,5]' >>> > >>> > The -n flag is an option here too: >>> > >>> > raku -ne '.say if $++ == 3|2|5' Lines.txt >>> > >>> > Brian >>> > >>> >>> Hi Bill, >>> >>> Works beatifically! And no bash pipe! >>> >>> $ raku -ne '.say if $++ == 3|2|5' Lines.txt >>> Line 2 >>> Line 3 >>> Line 5 >>> >>> What is `$++`? >>> >>> -T >>> >> > > -- > Aureliano Guedes > skype: aureliano.guedes > contato: (11) 94292-6110 > whatsapp +5511942926110 >
