cs31 lecture 17

H hpp hh include myfilehpp x be careful about where

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Unformatted text preview: include “foo.hpp” from “bar.hpp”, which itself starts by which including “bar.hpp” 28 Some syntax example x Include a system-provided header, called iostream: #include <iostream> x Include your own header file (extension: .h, .hpp, .hh)
 #include “myfile.hpp” x Be careful about where the file is located: the compiler Be must know where to find the header must The compiler knows the system include directories, but not your The development directory! development 29 Console output std::cout << “Hello World!” << std::endl; std::cout xThis is read “push to cout the string Hello World, and then This push a newline” push xSyntax std::cout is used to refer to the default console output “foo bar” is a (constant)
 string << is a binary operator, roughly meaning “push <rhs> in <lhs>” std::endl is used to refer to a newline symbol (\n)
 30 A few examples std::cout << “foo”; std::cout << std::endl; // equivalent to std::cout << “foo” << std::endl; std::cout << “Hello” << “ “ << “Worl...
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