Perl ABC

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Yadayada operator - ...

It's not particularly useful, but if you use it in a part that is not implemented in Perl, it will cause exception and terminate the program There is a Yada Yada operator .

# Yadayada operator
...

I only use it to express "do something" in the example code.

Example program

This is an example program that uses the Yadayada operator.

use strict;
use warnings;

my $num = 4;

# Not implemented yet
...

The output result is as follows.

Unimplemented at a.pl line 9.