For a function whose return type is deduced at the time of its invocation, the keyword ______ is used.
- deduce
- infer
- decltype
- auto
For a function whose return type is deduced at the time of its invocation, the keyword 'auto' is used. This is part of the C++11 feature where the compiler determines the return type based on the function's implementation. It allows for more flexible and concise code.
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