[Rock-dev] How to explicit assign task ports to service ports?
Sylvain Joyeux
sylvain.joyeux at dfki.de
Wed Sep 4 10:50:26 CEST 2013
On 09/04/2013 10:49 AM, Matthias Goldhoorn wrote:
>>
>> The "pattern matching" operator in Ruby is ===, so you can replace
>>
>> + if port_name.kind_of?(Regexp)
>> + res = p_name !~ port_name
>> + else
>> + res = p_name != port_name
>> + end
>>
>> by
>>
>> res = (port_name === p_name)
> I specially want to handle RegularExpressions differently than strings
> to keep the possibility to use the RegExp witin this function.
> Handly everything as a RegExp causes the error above.
>
> http://www.ruby-doc.org/core-1.9.3/String.html#method-i-3D-3D-3D
>
> mention that == and === are equal?!
For strings. For regular expressions, it regex === str is equivalent to
str =~ regex. Which is why you can do what I suggested ;-)
--
Sylvain Joyeux (Dr.Ing.)
Senior Researcher
Space & Security Robotics
Underwater Robotics
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