Re: help with map and regexp

On Thu, Sep 21, 2017 at 2:37 AM, Luca Ferrari wrote: > Out of cursiosity: what is the diffence between using "is copy" and "<->"? > Seems to me the map example can work with both. > <-> is the same as "is rw" and requires that the thing being bound be a mutable container,

Re: help with map and regexp

You can also use a whatever star with the subst method to avoid the block entirely, and just chain method calls: my @fields = $line.split( ',' ).map: *.subst(/\'/, "", :g).subst(/^\"|\"$/, "", :g); On Wed, Sep 20, 2017 at 11:37 PM, Luca Ferrari wrote: > On Tue, Sep 19,

Re: help with map and regexp

On Tue, Sep 19, 2017 at 2:43 PM, Timo Paulssen wrote: > perl6 -e '.perl.say for "hello, how, are, you".split(",").map: -> $_ > is copy { s:g/a//; s:g/^ \s|\s $/O/; $_ }' > "hello" > "Ohow" > "Ore" > "Oyou" Thanks. Out of cursiosity: what is the diffence

Re: help with map and regexp

You'll have to type the $_ of the block as "is copy" if you want to do this. Another way would be to have "is rw" but that can of course only work if a container is present in what you map over; there isn't in this case.     perl6 -e '.perl.say for "hello, how, are, you".split(",").map: -> $_ is

help with map and regexp

Hi all, I'm trying to understand how to use map correctly to apply several regexps at once, something like: my @fields = $line.split( ',' ).map: { s:g/\'//; s:g/^\"|\"$//; $_ }; while the first regexp works, the second fails with "Cannot modify an immutable Str", but the topic variable should