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3
votes
0answers
109 views

How do I add options to a built in function, which only apply to a certain class of argument?

I'd like to add an option to a built-in function that only applies when it is given an argument of a certain form. For example, something like this approach to extending ...
1
vote
0answers
25 views

Upvalues and order of interpretation

I'm trying to use UpValues to improve the usability of some code, but I am running into an issue where the order of the UpValues is important, and I am not sure if it is my understanding or a ...