You can also name the subroutine by using Sub::Name:

use Carp;
use Sub::Name;

subname(
  my_anonymous_sub => sub {
    croak("Whee!");
  }
)->();

__END__
Whee! at - line 6
        main::my_anonymous_sub() called at - line 8
[download]

The benefit of this is that you don't name all anonymous subroutines that are called inside this anonymous subroutine.

use Carp;
use Sub::Name;

subname(
  my_anonymous_sub => sub {
    sub {
      carp("subname");
    }->()
  }
)->();

sub {
  local *__ANON__ = 'my_anonymous_sub';
  sub {
    carp("*__ANON__");
  }->()
}->();

__END__
subname at - line 7
        main::__ANON__() called at - line 8
        main::my_anonymous_sub() called at - line 10
*__ANON__ at - line 15
        main::my_anonymous_sub() called at - line 16
        main::my_anonymous_sub() called at - line 17
[download]

lodin

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