From: Patrick Doyle <wpdster@...>
Date: 2008-10-01T04:02:09+09:00
Subject: Re: rake: undefined method `to_sym' for [:first_name, :last_name]:Array

This appears to be a 0.8.1 problem -- at least, it went away when I I
did a "gem update rake" (and was updated to 0.8.3).

--wpd




On Tue, Sep 30, 2008 at 9:17 AM, Patrick Doyle <wpdster@gmail.com> wrote:
> When I run the example given in the rake documentation under "Tasks
> that expect parameters", namely:
>
> task :name, [:first_name, :last_name] do |t, args|
>  args.with_defaults(:first_name => "John", :last_name => "Dough")
>  puts "First name is #{args.first_name}"
>  puts "Last  name is #{args.last_name}"
> end
>
> I get the following error:
>
> $ rake -f foo.rb
> (in C:/home/wpd/ruby/gdsii)
> rake aborted!
> undefined method `to_sym' for [:first_name, :last_name]:Array
> C:/home/wpd/ruby/gdsii/foo.rb:1
> (See full trace by running task with --trace)
>
> Any clues where to start to track this down?  I am running rake
> version 0.8.1 on top of Ruby 1.8.6 (on an XP platform, if that
> matters).
>
> Also, as long as I'm in the neighborhood, the documentation on
> rake.rubyforge.org states:
>
> "Tasks that use parameters have a slightly different format for
> prerequisites. Use the :needs keyword to specify the prerequisites for
> tasks with arguments. For example: " ... but the example that follows
> doesn't show the use of the ":needs" keyword".
>
> (This hasn't been an issue for me yet, but I happened to notice that
> as I read the docs and wondered about it at the time.)
>
> --wpd
>
>