Like the nodeback interface, it's (err, val)

On Tue, 13 Jul 2021, 21:31 Ethan Furman, <ethan@stoneleaf.us> wrote:
On 7/13/21 12:43 PM, Thomas Grainger wrote:

 > I used the order I did because it's idiomatic to return the value the user needs
 > followed by the value the user wants.

citation?

--
~Ethan~
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