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Multiple ChoiceHard 45s

SFINAE meaning

What does SFINAE stand for and enable?
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  1. 1Static Function Instantiation Not An Error — unused template functions are skipped instead of instantiated.
  2. 2Some Functions Inherit All Enums — a template deduction rule governing conversions between enum parameters.
  3. 3Substitution Failure Is Not An Error — a failed template argument substitution removes the overload from the set instead of erroring.
  4. 4Standard Formatting Is Not An Error — compile-time format-string checking performed against the argument list.
cpptemplatessfinae

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