c++ - Copying an object for temporary use from the target of a constant-pointer parameter -

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i'm looking copy object pointed pointer-to-const (as argument) within function temporary, stack-allocated copy, can manipulate , various checks on. how go doing this, without cheating way of const_cast?

bool f(const foo* foo) {     (create temporary copy of foo)     (manipulate temporary copy of foo test validity)     (output bool) }

if function does, why not pass value?


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