What does `:_` and/or `:_:` signify?
[email protected] (William Michels via perl6-users)
| Newsgroups | perl.perl6.users |
|---|---|
| Message-ID | <[email protected]> |
Hello,
While playing around in an attempt to define new operators, I stumbled upon some curious results.
In the REPL, trying `say :_` returns a blank line.
In the REPL, trying `say :_:` returns `_ => True`.
What is the meaning of this?
admin@mbp ~ % raku
Welcome to Rakudo™ v2023.05.
Implementing the Raku® Programming Language v6.d.
Built on MoarVM version 2023.05.
To exit type 'exit' or '^D'
[0] > say _
===SORRY!=== Error while compiling:
Undeclared name:
_ used at line 1
[0] > say :_
[0] > say :_:
_ => True
[0] >