Beefy Boxes and Bandwidth Generously Provided by pair Networks
"be consistent"
 
PerlMonks  

comment on

( [id://3333]=superdoc: print w/replies, xml ) Need Help??
Hi

I'm experimenting with some operator overloading and I'm getting bitten by the diamond operator. A numeric "less-then" < in list context is parsed as the start of a diamond glob <>

DB<9> sub bla { bless [@_], "Test" } DB<10> package Test; use overload "<" => sub { warn "works" }; DB<11> bla() < bla works at (eval 18) ... DB<12> bla < bla Unterminated <> operator at (eval 20) ...

I'm aware that I could give bla an empty prototype in line 9 or call it with an empty list (like in line 11), or embrace it in brackets, but I need it to swallow a list of args in other parts.

I'm not very confident there is a way but the almighty monastery is always able to surprise me... ;-)

Cheers Rolf
(addicted to the Perl Programming Language and ☆☆☆☆ :)
Wikisyntax for the Monastery

update

for those wondering, other operators "work"

DB<13> package Test; use overload ">" => sub { warn "works" }; DB<14> bla > bla works at (eval 21)

In reply to Disabling the interpretation of diamond <> operator in package? by LanX

Title:
Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
to format your post; it's "PerlMonks-approved HTML":



  • Are you posting in the right place? Check out Where do I post X? to know for sure.
  • Posts may use any of the Perl Monks Approved HTML tags. Currently these include the following:
    <code> <a> <b> <big> <blockquote> <br /> <dd> <dl> <dt> <em> <font> <h1> <h2> <h3> <h4> <h5> <h6> <hr /> <i> <li> <nbsp> <ol> <p> <small> <strike> <strong> <sub> <sup> <table> <td> <th> <tr> <tt> <u> <ul>
  • Snippets of code should be wrapped in <code> tags not <pre> tags. In fact, <pre> tags should generally be avoided. If they must be used, extreme care should be taken to ensure that their contents do not have long lines (<70 chars), in order to prevent horizontal scrolling (and possible janitor intervention).
  • Want more info? How to link or How to display code and escape characters are good places to start.
Log In?
Username:
Password:

What's my password?
Create A New User
Domain Nodelet?
Chatterbox?
and the web crawler heard nothing...

How do I use this?Last hourOther CB clients
Other Users?
Others lurking in the Monastery: (8)
As of 2024-04-19 07:42 GMT
Sections?
Information?
Find Nodes?
Leftovers?
    Voting Booth?

    No recent polls found