dd is the moarvm specific data dump command. You don't need it. On Tue, 7 Aug 2018, 08:16 ToddAndMargo, <toddandma...@zoho.com> wrote:
> Hi All, > > I am confused. > > This line will convert a string into an integer, but > will print out and extra line with "(Int)" on it: > > $ p6 'my Str $x = "5"; my Int $y = dd +$x; say $y' > 5 > (Int) > > > This will convert as well, but no extra line: > > $ p6 'my Int $x; my Str $y = "5"; $x = "$y" + 0; say $x' > 5 > > > Also, I can quote $x, and it still works: > > $ p6 'my Int $x; my Str $y = "5"; $x = "$y" + 0; say "$x"' > 5 > > > But this tells me I have an uninitialized value, when all > I did was add quotes around $y, as in the above line. > > $ p6 'my Str $x = "5"; my Int $y = dd +$x; say "$y";' > 5 > Use of uninitialized value $y of type Int in string context. > Methods .^name, .perl, .gist, or .say can be used to stringify > it to something meaningful. > > > Why would I want to use "dd"? > > Many thanks, > -T > -- Simon Proctor Cognoscite aliquid novum cotidie
