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Comment by kqr

2 days ago

That is true. You'd need to expose alternative versions of system functions that deal only in parsed and not raw data, and then prohibit the native variants. A little more ceremony, but also a little more flexibility.

Edit: It might be easier to instead replace input functions with ones that return TaintedString, unusable as a regular string. But it's easier to write a linter rule that prohibits any unsafe (default) system functions than one which requires safe input functions, I suppose.