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Point implicit conversions [message #35449]

Fri, 17 February 2012 17:10

lindquist
Messages: 33
Registered: March 2006
Location: Denmark

Member

Hi again.

I'm coming to the conclusion that implicit conversions for Point is really not a good idea.

Consider an application mainly using Pointf. I do this in my app for defining a bunch of geometry, then a bunch of functions have

const Pointf&

parameters.

However - twice now - I've accidentally made the parameter of type Point, using Alt+C/Alt+V to paste in the definition etc.

Everything compiles without warnings, but of course, the program misbehaves, as all the Pointf's I pass are converted to Point and back.

I think it's too easy to miss the f at the end of the type. Twice I've made the mistake, and it can be hard to find. Can these implicit conversions be removed ?

-Tomas

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Re: Point implicit conversions [message #35471 is a reply to message #35449]

Tue, 21 February 2012 09:23

mirek
Messages: 13975
Registered: November 2005

Ultimate Member

lindquist wrote on Fri, 17 February 2012 11:10

I think it's too easy to miss the f at the end of the type. Twice I've made the mistake, and it can be hard to find. Can these implicit conversions be removed ?

-Tomas

Not without breaking a log of existing code... but we can still consider this.

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