Did I add a function in a class, to a class or into a class?
Which of the given expressions would I use to describe the changes in this code?

//class A before
class A 

//class A after
class A
    void aFunction();

closed as off-topic by Hellion, user140086, Chenmunka, Mitch, tchrist Nov 10 '16 at 2:55

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As you extend the class / attach code to the class the right term to use would be:

'Added a function to a class'

In the Oxford dictionary they used this example for adding something (an additional element, ingredient, etc.):

Add the flour to the eggs, stirring continuously’

You contribute something to an existing object.


This contains the answer to your question.


  1. (intransitive) To make an addition. To add to, to augment; to increase. It adds to our anxiety.‎

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