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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.
This User Gave Thanks to thegeek For This Post:
 

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Gtk2::SourceView2::PrintCompositor(3pm) 		User Contributed Perl Documentation		   Gtk2::SourceView2::PrintCompositor(3pm)

NAME
Gtk2::SourceView2::PrintCompositor HIERARCHY
Glib::Object +----Gtk2::SourceView2::PrintCompositor METHODS
printcompositor = Gtk2::SourceView2::PrintCompositor->new ($buffer) o $buffer (Gtk2::SourceView2::Buffer) printcompositor = Gtk2::SourceView2::PrintCompositor->new_from_view ($view) o $view (Gtk2::SourceView2::View) string = $compositor->get_body_font_name $compositor->set_body_font_name ($font_name) o $font_name (string) double = $compositor->get_bottom_margin ($unit) o $unit (Gtk2::Unit) $compositor->set_bottom_margin ($margin, $unit) o $margin (double) o $unit (Gtk2::Unit) buffer = $compositor->get_buffer $compositor->draw_page ($context, $page_nr) o $context (Gtk2::PrintContext) o $page_nr (integer) string = $compositor->get_footer_font_name $compositor->set_footer_font_name ($font_name) o $font_name (string or undef) $compositor->set_footer_format ($separator, $left, $center, $right) o $separator (boolean) o $left (string or undef) o $center (string or undef) o $right (string or undef) string = $compositor->get_header_font_name $compositor->set_header_font_name ($font_name) o $font_name (string or undef) $compositor->set_header_format ($separator, $left, $center, $right) o $separator (boolean) o $left (string or undef) o $center (string or undef) o $right (string or undef) boolean = $compositor->get_highlight_syntax $compositor->set_highlight_syntax ($highlight) o $highlight (boolean) double = $compositor->get_left_margin ($unit) o $unit (Gtk2::Unit) $compositor->set_left_margin ($margin, $unit) o $margin (double) o $unit (Gtk2::Unit) string = $compositor->get_line_numbers_font_name $compositor->set_line_numbers_font_name ($font_name) o $font_name (string or undef) integer = $compositor->get_n_pages boolean = $compositor->paginate ($context) o $context (Gtk2::PrintContext) double = $compositor->get_pagination_progress boolean = $compositor->get_print_footer $compositor->set_print_footer ($print) o $print (boolean) boolean = $compositor->get_print_header $compositor->set_print_header ($print) o $print (boolean) integer = $compositor->get_print_line_numbers $compositor->set_print_line_numbers ($interval) o $interval (integer) double = $compositor->get_right_margin ($unit) o $unit (Gtk2::Unit) $compositor->set_right_margin ($margin, $unit) o $margin (double) o $unit (Gtk2::Unit) integer = $compositor->get_tab_width $compositor->set_tab_width ($width) o $width (integer) double = $compositor->get_top_margin ($unit) o $unit (Gtk2::Unit) $compositor->set_top_margin ($margin, $unit) o $margin (double) o $unit (Gtk2::Unit) wrapmode = $compositor->get_wrap_mode $compositor->set_wrap_mode ($wrap_mode) o $wrap_mode (Gtk2::WrapMode) PROPERTIES
'body-font-name' (string : default undef : readable / writable) Name of the font to use for the text body (e.g. "Monospace 10") 'buffer' (Gtk2::SourceView2::Buffer : default undef : readable / writable / construct-only) The GtkSourceBuffer object to print 'footer-font-name' (string : default undef : readable / writable) Name of the font to use for the page footer (e.g. "Monospace 10") 'header-font-name' (string : default undef : readable / writable) Name of the font to use for the page header (e.g. "Monospace 10") 'highlight-syntax' (boolean : default true : readable / writable) Whether to print the document with highlighted syntax 'line-numbers-font-name' (string : default undef : readable / writable) Name of the font to use for the line numbers (e.g. "Monospace 10") 'n-pages' (integer : default -1 : readable) The number of pages in the document (-1 means the document has not been completely paginated). 'print-footer' (boolean : default false : readable / writable) Whether to print a footer in each page 'print-header' (boolean : default false : readable / writable) Whether to print a header in each page 'print-line-numbers' (Glib::UInt : default 1 : readable / writable) Interval of printed line numbers (0 means no numbers) 'tab-width' (Glib::UInt : default 8 : readable / writable) Width of a tab character expressed in spaces 'wrap-mode' (Gtk2::WrapMode : default "none" : readable / writable) Whether to wrap lines never, at word boundaries, or at character boundaries. ENUMS AND FLAGS
enum Gtk2::Unit o 'pixel' / 'GTK_UNIT_PIXEL' o 'points' / 'GTK_UNIT_POINTS' o 'inch' / 'GTK_UNIT_INCH' o 'mm' / 'GTK_UNIT_MM' enum Gtk2::WrapMode o 'none' / 'GTK_WRAP_NONE' o 'char' / 'GTK_WRAP_CHAR' o 'word' / 'GTK_WRAP_WORD' o 'word-char' / 'GTK_WRAP_WORD_CHAR' SEE ALSO
Gtk2::SourceView2, Glib::Object COPYRIGHT
Copyright (C) 2009 by Emmanuel Rodriguez perl v5.14.2 2011-11-16 Gtk2::SourceView2::PrintCompositor(3pm)
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