I see your point (and obviously misunderstood what you were questioning when I posted my earlier reply), but I'm not convinced that the equivalent 
my %dispatch = (
  first           => \&_create_first,
  last            => \&_create_last,
  user            => \&_create_user,
  id              => \&_create_id,
  email           => \&_create_email,
  create_password => \&_create_create_password,
);

[download]
is any more virtuous than the map in the OP. Both have the same potential for run-time errors if one or more of the referenced subs doesn't actually exist - simply naming them explicitly does not turn it into a compile-time error: 
$ perl -E 'use strict; use warnings; my %d = ( foo => \&foo ); say "OK
+"'
OK

[download]
Retyping _create_ every time doesn't actually buy you anything aside from maybe an eyeball error check. (_create_create_password does look a little suspicious to me, but it might still be correct in the OP's code.)

In reply to Re^4: Creating dispatch table with variable in function name by dsheroh
in thread Creating dispatch table with variable in function name by nysus

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