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Iñaki Baz Castillo wrote:
| Hi, is it not possible to create a method to use in this way?
|
|    my_object.param("tag") = "new_value"
|
| How to define that method? I've tryed something as:
|
|   def param(name)= (value)
|     @params[name] = value
|   end
|
| but obviously I get error:
|
|   SyntaxError: compile error
|   syntax error, unexpected '='
|
| Is there some way? Thanks a lot.
|

Untested, and probably highly inelegant:

def param key, value
~  @params["#{key.to_sym}"] = value
end

Should produce:

| object.params my_key, 'my value'
=> @params[:my_key] => 'my value'

While not the interface you desire, it is the output you want.

(May be useful as a Rails helper, but otherwise?)

Or, you could use an optionhash to create your method:
,http://www.lukeredpath.co.uk/2006/7/27/using-ruby-hashes-as-keyword-arguments-with-easy-defaults>

Something like:

def param(options = {})
~  @params[options.key] = options[options.key]
end

should look like

| object.param 'key' => 'value'
=> @params['key'] => 'value'


You could sexy that up with Hash#merge:

def param(options = {})
~  @params = @params.merge options
end

(probably more efficient than the first variant, too.)


Hope that helps.

- --
Phillip Gawlowski
Twitter: twitter.com/cynicalryan
Blog: http://justarubyist.blogspot.com

~ - You know you've been hacking too long when...
...you want to wash your hair and think:  awk -F"/neck" '{ print $1 }' |
shower
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