Question: Suppose we define a variable std::set mySet; what must be true of type T ? Choose from the below: a . Type T must be

Suppose we define a variable std::set mySet; what must be true of type T? Choose from the below: a. Type T must be a numeric type such as int ,
double , or float .
b. Type T must have a hash function defined on it.
c. Type T must have an ordering defined on it.
d. Type T cannot be a user-defined class.
Suppose we define a variable std::set mySet; what must be true

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