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Full Discussion: Perl References/Dereferences
Top Forums Shell Programming and Scripting Perl References/Dereferences Post 302423533 by thegeek on Friday 21st of May 2010 08:52:39 AM
Old 05-21-2010
both does the same operation.

while removing the arrow, you are dereferencing using dollar, so by both you get the result...

arrows becomes unnecessary, when

Code:
if the arrow ends up between "subscripty kinds of things," such as square brackets, we can also drop the arrow

from Intermediate Perl.

Read references chapter for more clarification on the same.
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Bio::Graphics::Glyph::extending_arrow(3pm)		User Contributed Perl Documentation		Bio::Graphics::Glyph::extending_arrow(3pm)

NAME
Bio::Graphics::Glyph::extending_arrow -- The "extending arrow" glyph SYNOPSIS
This is deprecated. Use Bio::Graphics::Glyph::anchored_arrow instead. DESCRIPTION
This glyph was designed to show a segment that goes beyond the panel. If the segment is contained within the panel, a vertical base is shown. Otherwise, an arrow is shown. Also see the arrow glyph. OPTIONS See Bio::Graphics::Glyph::anchored_arrow. This glyph has been deprecated. BUGS
Please report them. SEE ALSO
Bio::Graphics::Panel, Bio::Graphics::Glyph, Bio::Graphics::Glyph::arrow, Bio::Graphics::Glyph::cds, Bio::Graphics::Glyph::crossbox, Bio::Graphics::Glyph::diamond, Bio::Graphics::Glyph::dna, Bio::Graphics::Glyph::dot, Bio::Graphics::Glyph::ellipse, Bio::Graphics::Glyph::extending_arrow, Bio::Graphics::Glyph::generic, Bio::Graphics::Glyph::graded_segments, Bio::Graphics::Glyph::heterogeneous_segments, Bio::Graphics::Glyph::line, Bio::Graphics::Glyph::pinsertion, Bio::Graphics::Glyph::primers, Bio::Graphics::Glyph::rndrect, Bio::Graphics::Glyph::segments, Bio::Graphics::Glyph::ruler_arrow, Bio::Graphics::Glyph::toomany, Bio::Graphics::Glyph::transcript, Bio::Graphics::Glyph::transcript2, Bio::Graphics::Glyph::translation, Bio::Graphics::Glyph::triangle, Bio::DB::GFF, Bio::SeqI, Bio::SeqFeatureI, Bio::Das, GD AUTHOR
Originally by Shengqiang Shu. Temporarily deprecated by Lincoln Stein. Copyright (c) 2001 Berkeley Drosophila Genome Project This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself. See DISCLAIMER.txt for disclaimers of warranty. perl v5.14.2 2012-02-20 Bio::Graphics::Glyph::extending_arrow(3pm)
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