From: Michael Fellinger <m.fellinger@...>
Date: 2009-03-03T01:28:39+09:00
Subject: Re: passing a method as a paramter

On Tue, Mar 3, 2009 at 12:16 AM, Sarah Allen <sarah@ultrasaurus.com> wrote:
> Michael Fellinger wrote:
>> On Mon, Mar 2, 2009 at 7:44 PM, Sarah Allen <sarah@ultrasaurus.com>
>> wrote:
>>>>>      assert_not_nil record.errors.on(field)
>>>>>    end
>>>>>  end
>>>
>>> Any thoughts on how that could be called?
>>
>> It's the second example, you cannot obtain an instance of Method like
>> you would do in Python or JavaScript by simply omitting the
>> parenthesis, you have to use the Object#method method.
>>
>> All of these are equivalent:
>>
>> User.create
>> User.create()
>> User.method(:create).call
>> User.send(:create)
>>
>> ^ manveru
>
> I get the error: (ActiveRecord::Base).create> is not a symbol
> calling:
>  assert_required_fields User.method(:create), :create, :email,
> :lastname, :password

Sorry, with rails all bets on normally behaving ruby code are off.

^ manveru

> the code in my library uses send, not call
>
> Of course, I could just change the definition of assert_required_fields,
> but since it is part of a plugin
> (http://topfunky.net/svn/plugins/topfunky_power_tools/lib/topfunky/test_helper.rb
> ), I figure there must be some standard way to call it
>
> Thanks for your help,
> Sarah