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Top Forums Programming what does "int (&) [42]" mean? Post 302705577 by JohnGraham on Tuesday 25th of September 2012 06:58:25 AM
Old 09-25-2012
Quote:
Originally Posted by micky.zhou
Can you explain the paradigm "int(&)[42]" clearly in C plus plus?Smilie
Thanks in advance.
That's a variable declaration without a variable name; normally (only?) used in function signatures where you have to accept that type of argument, but don't actually want to use the variable. With the variable name, it would look like:

Code:
int (&name)[42];

This declares the variable 'name' to be a reference to an array of 42 ints.
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PLADV(3plplot)							    PLplot API							    PLADV(3plplot)

NAME
pladv - Advance the (sub-)page SYNOPSIS
pladv(sub) DESCRIPTION
Advances to the next subpage if sub=0, performing a page advance if there are no remaining subpages on the current page. If subpages aren't being used, pladv(3plplot)(0) will always advance the page. If sub>0, PLplot switches to the specified subpage. Note that this allows you to overwrite a plot on the specified subpage; if this is not what you intended, use pleop(3plplot) followed by plbop(3plplot) to first advance the page. This routine is called automatically (with sub=0) by plenv(3plplot), but if plenv(3plplot) is not used, pladv(3plplot) must be called after initializing PLplot but before defining the viewport. Redacted form: pladv(sub) This function is used in examples 1,2,4,6-12,14-18,20,21,23-27,29,31. ARGUMENTS
sub (PLINT, input) Specifies the subpage number (starting from 1 in the top left corner and increasing along the rows) to which to advance. Set to zero to advance to the next subpage. AUTHORS
Geoffrey Furnish and Maurice LeBrun wrote and maintain PLplot. This man page was automatically generated from the DocBook source of the PLplot documentation, maintained by Alan W. Irwin and Rafael Laboissiere. SEE ALSO
PLplot documentation at http://plplot.sourceforge.net/resources. August, 2012 PLADV(3plplot)
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