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Topic: how to implement the "many tiny functions" paradigm?
Replies: 7   Last Post: Jan 10, 2013 4:10 PM

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kj

Posts: 180
Registered: 8/17/09
Re: how to implement the "many tiny functions" paradigm?
Posted: Jan 10, 2013 4:10 PM
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In <kcn6p7$m1r$1@newscl01ah.mathworks.com> "Steven_Lord" <slord@mathworks.com> writes:

>Depending on what you're doing, there are three possibilities that you may
>want to explore.


>If all these "tiny functions" are only used by your application, and your
>tests will live in the same directory, make your helpers private functions.


>http://www.mathworks.com/help/matlab/matlab_prog/private-functions.html

>If they are used by many files in different directories, or if your tests
>must live in a different directory, consider putting your helpers in a
>package directory.


>http://www.mathworks.com/help/matlab/matlab_oop/scoping-classes-with-packages.html

>While this documentation is in the object-oriented section of the
>documentation, packages are not limited to use only with MATLAB classdef
>files. You can store plain functions in a package and use them as such.


>A third, somewhat "hacky" way to test many small subfunctions in your main
>file is to have a syntax that causes the main function to return a struct
>array whose fields contain function handles to the subfunctions. Your tests
>can then invoke the subfunctions using those function handles even though
>the subfunctions are not in scope. As long as the subfunction was in scope
>when the function handle was _created_ it doesn't matter if the subfunction
>is out of scope when the function handle is _executed._


>http://www.mathworks.com/help/matlab/matlab_prog/applications-of-function-handles.html#brf_1tn-1

Thanks, that's very useful info. (I got to admit I loved the last
one, hacky as it may be.)




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