15. Source Files and Programs

Form must follow function.

– Le Corbusier

• Separate Compilation

• Linkage

File-Local Names; Header Files; The One-Definition Rule; Standard-Library Headers; Linkage to Non-C++ Code; Linkage and Pointers to Functions

• Using Header Files

Single-Header Organization; Multiple-Header Organization; Include Guards

• Programs

Initialization of Nonlocal Variables; Initialization and Concurrency; Program Termination

• Advice

15.1. Separate Compilation

Any realistic program consists of many logically separate components (e.g., namespaces; Chapter 14). To better manage these components, we can represent the program as a set of (source code) files where each file contains one or more logical components. Our task is to devise ...

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