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submitted 1 year ago by lysdexic to c/rust

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[–] KillTheMule 1 points 1 year ago* (last edited 1 year ago) (1 children)

Note that when you change num to take &self instead, this works out (you also need to mark foo as mutable, of course).

[–] hairyballs 1 points 1 year ago

It's a toy example. In that case, the solution is to assign the expression to a variable to compute its result upfront.