Multiple ChoiceIntermediate 45s
The immediate context rule in SFINAE
When does an error in template argument deduction result in a substitution failure (SFINAE) rather than a hard error?
Options
- 1Only when the error occurs in the immediate context of the substitution
- 2Whenever any error occurs anywhere in the instantiation
- 3Only when the template has a single parameter
- 4Never; all instantiation errors are hard errors
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