> On 2 Jul 2015, at 7:22 am, Greg Parker <gpar...@apple.com> wrote:
> 
> Classic Mac OS was inconsistent. For example, the C struct initializer for 
> Rect was { top, left, bottom, right }, but the initializer function was 
> SetRect(&rect, left, top, right, bottom).


Ah, the good old days /sarc

Obviously it’s only a convention, but I think horizontal values should always 
precede vertical ones, if only because x comes before y in the alphabet, and 
map coordinates are that way around as well. The change to {origin, size} was 
also very welcome, if only because moving a rect is now independent from sizing 
it, and doing either only changes two values, not four.

—Graham



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