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1. What is on Your Mind?
This is an excellent video comment on modern society and the remix is good too:
https://www.youtube.com/watch?v=5DU1B_XkyIk
5DU1B_XkyIk
Watch the video above and post your comments. (3 Replies)
Discussion started by: Neo
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2. Programming
Hello!
I have a question to native English-speaking people. In the popular program's "hello world" greeting, what meaning the "world" has: "all", "everybody", "people", "friends" or "whole world", "planet", "Earth", "Universe"?
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Hello! I know I must take the efforts of learning C..! I need to recompile a binary with the following at the beginning: test if a file exists, remove it and exit. All in "C". As simple as this in sh:
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Thanks! (8 Replies)
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What does the world need now.... ???
Feel free to suggest new items to the poll .... we might add them :) (25 Replies)
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5. Solaris
just wanted to give salutations to all in here.
i hope to contribute as much as i take.
happy "unix-ing" :b: (0 Replies)
Discussion started by: JeepResQ
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6. Post Here to Contact Site Administrators and Moderators
I just want to say how much I love the unix forum. You all are awesome!
I find the UNIX forum very educational, very prompt in responding and a really great website. I want to thank each an everyone of you for doing a fantastic job.
Great Customer Service in educating and assisting us with our... (2 Replies)
Discussion started by: kflanigan
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did
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Everything looks good.
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#./configure
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Perl6::Junction(3) User Contributed Perl Documentation Perl6::Junction(3)
NAME
Perl6::Junction - Perl6 style Junction operators in Perl5.
SYNOPSIS
use Perl6::Junction qw/ all any none one /;
if (any(@grant) eq 'su') {
...
}
if (all($foo, $bar) >= 10) {
...
}
if (qr/^d+$/ == all(@answers)) {
...
}
if (all(@input) <= @limits) {
...
}
if (none(@pass) eq 'password') {
...
}
if (one(@answer) == 42) {
...
}
DESCRIPTION
This is a lightweight module which provides 'Junction' operators, the most commonly used being "any" and "all".
Inspired by the Perl6 design docs, <http://dev.perl.org/perl6/doc/design/exe/E06.html>.
Provides a limited subset of the functionality of Quantum::Superpositions, see "SEE ALSO" for comment.
Notice in the "SYNOPSIS" above, that if you want to match against a regular expression, you must use "==" or "!=". Not "=~" or "!~". You
must also use a regex object, such as "qr/d/", not a plain regex such as "/d/".
SUBROUTINES
all()
Returns an object which overloads the following operators:
'<', '<=', '>', '>=', '==', '!=',
'lt', 'le', 'gt', 'ge', 'eq', 'ne',
Returns true only if all arguments test true according to the operator used.
any()
Returns an object which overloads the following operators:
'<', '<=', '>', '>=', '==', '!=',
'lt', 'le', 'gt', 'ge', 'eq', 'ne',
Returns true if any argument tests true according to the operator used.
none()
Returns an object which overloads the following operators:
'<', '<=', '>', '>=', '==', '!=',
'lt', 'le', 'gt', 'ge', 'eq', 'ne',
Returns true only if no argument tests true according to the operator used.
one()
Returns an object which overloads the following operators:
'<', '<=', '>', '>=', '==', '!=',
'lt', 'le', 'gt', 'ge', 'eq', 'ne',
Returns true only if one and only one argument tests true according to the operator used.
ALTERING JUNCTIONS
You cannot alter junctions. Instead, you can create new junctions out of old junctions. You can do this by calling the "values" method on
a junction.
my $numbers = any(qw/1 2 3 4 5/);
print $numbers == 3 ? 'Yes' : 'No'; # Yes
$numbers = any( grep { $_ != 3 } $numbers->values );
print $numbers == 3 ? 'Yes' : 'No'; # No
EXPORT
'all', 'any', 'none', 'one', as requested.
All subroutines can be called by its fully qualified name, if you don't want to export them.
use Perl6::Junction;
if (Perl6::Junction::any( @questions )) {
...
}
WARNING
When comparing against a regular expression, you must remember to use a regular expression object: "qr/d/" Not "/d/". You must also use
either "==" or "!=". This is because "=~" and "!~" cannot be overriden.
TO DO
Add overloading for arithmetic operators, such that this works:
$result = any(2,3,4) * 2;
if ($result == 8) {...}
SUPPORT
/ BUGS
Submit to the CPAN bugtracker <http://rt.cpan.org>
SEE ALSO
Quantum::Superpositions provides the same functionality as this, and more. However, this module provides this limited functionality at a
much greater runtime speed, with my benchmarks showing between 500% and 6000% improvment.
<http://dev.perl.org/perl6/doc/design/exe/E06.html> - "The Wonderful World of Junctions".
AUTHOR
Carl Franks
ACKNOWLEDGEMENTS
Thanks to "Curtis "Ovid" Poe" for the "ALTERING JUNCTIONS" changes in release 0.40000.
COPYRIGHT AND LICENSE
Copyright 2005, Carl Franks. All rights reserved.
This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself (perlgpl, perlartistic).
perl v5.18.2 2013-08-21 Perl6::Junction(3)