I've been working on a new module (tentatively named Sub::Parms). 

use Sub::Parms qw (:ignorecase :validate);

  sub some_method {
      MethodParms := $self, %args;
      my ($field_value, $another_field_value) = @args{'field_value','a
+nother_field'};

  }
 sub some_function {
      ParmsHash := %args;
      my ($field_value, $another_field_value) = @args{'field_value','a
+nother_field'};

  }


sub _legal_thing {
    unless (defined ($_[0]))      { return (0. 'Not defined');    }
    unless (int($_[0]) eq $_[0])) { return (0, 'Not an integer'); }
    return 1;
}

sub bind_parms_example {
 BindParms : (
   my $handle         := handle  [required, is_defined, can=param];
   my $thing          := thing   [optional, isa=CGI::Minimal];
   my $another_thing  := another [optional, type=SCALAR, validate=_leg
+al_thing];
   my $yathing        := yathing [optional, is_defined];
   my $defaulted      := dthing  [optional, default="help me"];
  )

    # .....
 
}

[download]

The problem is, it solves the same problem as a half-dozen other modules do: How do you simply, quickly and elegantly parse named parameters passed to a function/method?

I think my module brings something new and useful to the problem (why else would anyone ever write a module?): It provides clarity in code, is much faster (3 to 4 times) than any other module that solves the same problem and provides a simple way to turn off parameter validation assertions for a module in mature code to get even more performance out of it.

But is that enough to justify yet another module solving the same problem?

Or should I just file it in Acme::* for people's entertainment and edification?

In reply to When is it better to NOT release a new module? by snowhare

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