File: mypragma.pm

package info (click to toggle)
perl 5.40.1-6
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 126,152 kB
  • sloc: ansic: 668,539; perl: 525,522; sh: 72,038; pascal: 6,925; xml: 2,428; yacc: 1,410; makefile: 1,191; cpp: 208; lisp: 1
file content (45 lines) | stat: -rw-r--r-- 596 bytes parent folder | download | duplicates (11)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
=head1 NAME

mypragma - an example of a user pragma

=head1 SYNOPSIS

In your code

    use mypragma; # Enable the pragma
    
    mypragma::in_effect() # returns true; pragma is enabled

    no mypragma;
    
    mypragma::in_effect() # returns false; pragma is not enabled

=head1 DESCRIPTION

An example of how to write a pragma.

=head1 AUTHOR

Rafael Garcia-Suarez

=cut

package mypragma;

use strict;
use warnings;

sub import {
    $^H{mypragma} = 42;
}

sub unimport {
    $^H{mypragma} = 0;
}

sub in_effect {
    my $hinthash = (caller(0))[10];
    return $hinthash->{mypragma};
}

1;