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Function template instances It’s worth taking a brief look at how template functions are implemented in C++, because future lessons will build off of some of these concepts. It turns out that C++ does not compile the template function directly. Instead, at compile time, when the compiler encounters a call to a template function, . . . → Read More: 14.2 — Function template instances The need for function templates In previous chapters, you’ve learned how to write functions and classes that help make programs easier to write, safer, and more maintainable. While functions and classes are powerful and flexible tools for effective programming, in certain cases they can also be somewhat limiting because of C++’s requirement that you . . . → Read More: 14.1 — Function templates The file pointer Each file stream class contains a file pointer that is used to keep track of the current read/write position within the file. When something is read from or written to a file, the reading/writing happens at the file pointer’s current location. By default, when opening a file for reading or writing, . . . → Read More: 13.7 — Random file I/O |
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