Not sure if that is relevant to your point, but: For better and for worse, closing over any outer scope variables is syntactically free in Rust lambdas. You just access them.
Not sure if that is relevant to your point, but: For better and for worse, closing over any outer scope variables is syntactically free in Rust lambdas. You just access them.
It's syntactically free, but it can cause borrow-checker errors thst cause your code to outright fail to compile.
Yes, exactly. My concerns were semantic, not syntactic.