Chapter 11. Template Argument Deduction

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Chapter 11. Template Argument Deduction

Explicitly specifying template arguments on every call to a function template (for example, concat<std::string, int>(s, 3) ) can quickly lead to unwieldy code. Fortunately, a C++ compiler can often automatically determine the intended template arguments using a powerful process called template argument deduction .

In this chapter we explain the details of the template argument deduction process. As is often the case in C++, there are many rules that usually produce an intuitive result. A solid understanding of this chapter allows us to avoid the more surprising situations.

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