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README.md

NAME

Sub::Retry - retry $n times

SYNOPSIS

use Sub::Retry;
use LWP::UserAgent;

my $ua = LWP::UserAgent->new();
my $res = retry 3, 1, sub {
    my $n = shift;
    $ua->post('http://example.com/api/foo/bar');
};

DESCRIPTION

Sub::Retry provides the function named 'retry'.

FUNCTIONS

  • retry($n_times, $delay, \&code [, \&retry_if])

    This function calls \&code. If the code throws exception, this function retry $n_times after $delay seconds.

    Return value of this function is the return value of \&code. This function cares wantarray.

    You can also customize the retry condition. In that case \&retry_if specify CodeRef. The CodeRef arguments is return value the same. (Default: retry condition is throws exception)

      use Sub::Retry;
      use Cache::Memcached::Fast;
    
      my $cache = Cache::Memcached::Fast->new(...);
      my $res = retry 3, 1, sub {
          $cache->get('foo');
      }, sub {
          my $res = shift;
          defined $res ? 0 : 1;
      };
    

AUTHOR

Tokuhiro Matsuno

LICENSE

Copyright (C) Tokuhiro Matsuno

This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself.