Acme-Backwards
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lib/Acme/Backwards.pm view on Meta::CPAN
package Acme::Backwards;
our $VERSION = '1.01';
use Keyword::Declare;
sub import {
keytype OKAY is m{(?:fisle (?&PerlNWS)(?&PerlExpression).*?;|esle (?&PerlNWS).*?;)?+}xms;
keyword rof (/(my\s*\$\w+)?/ $declare, Expr $test, /.+?;$/ $code) {_backwards('for', ($declare ? $declare : ()), $test, $code);};
keyword fi (Expr $test, /.+?;/ $code, OKAY @next) {_backwards('if', $test, $code)._process_backwards(@next);};
keyword sselnu (Expr $test, /.+?;/ $code, OKAY @next) {_backwards('unless', $test, $code)._process_backwards(@next);};
}
sub _process_backwards {join' ',map{$_=~m/(fisle|esle)(.*)$/;return"_$1"->($2)}@_;}
sub _esle {_backwards('else','',shift)}
sub _fisle {shift=~m/\s*((?&PerlExpression))\s*(.*?;) $PPR::GRAMMAR/gxm;_backwards('elsif', $1, $2);}
sub _backwards {scalar@_>3?sprintf"%s %s %s { %s }",@_:sprintf"%s %s { %s }",@_;}
1;
__END__
=head1 NAME
Acme::Backwards - One line fi, esle, fisle, sselnu, rof
=head1 VERSION
Version 1.01
=cut
=head1 SYNOPSIS
Quick summary of what the module does.
Perhaps a little code snippet.
use Acme::Backwards;
my $str = 'backwards'
fi ( $str eq 'backwards' ) say $str;
sselnu ( $str eq 'forwards' ) say $str;
fi ( $str eq 'forwards' ) say $str;
fisle ( $str eq 'backwards' ) say $str;
esle die $str;
my $int = 0;
rof (qw/1 2 3/) $int += $_;
rof my $var (qw/4 5 6/) $int += $var;
rof my $nest (qw/7 8/) fi ($nest == 7) print "one"; esle print "line";
=head1 EXPORTS
=head2 fi
if
=head2 fisle
elsif
=head2 esle
else
=head2 sselnu
unless
=head2 rof
for
=head1 AUTHOR
( run in 0.826 second using v1.01-cache-2.11-cpan-39bf76dae61 )