What kind of code that you have written today breaks tomorrow?
- I use hashes, and I index in them.
- I use subroutine/method calls on the LHS of binary operators.
Almost all of the code I write uses one or both of the items
I mention. All of that either becomes invalid, or changes meaning.
my %hash;
$hash {key} = "foo"; # Illegal in Perl6, even after s/\$/%/
my $str = "99 miles to L.A.";
print length ($str) + 1; # Prints 17 in Perl5, 3 in Perl6.
This is very basic stuff to write, which I do many, many times in code (and I guess many people use hashes, and use subs/methods in expressions).
Abigail
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