Effective STL: 50 Specific Ways to Improve Your Use of the Standard Template Library > Containers > Item 4: Call empty instead of checking size() against zero - Pg. : Safari Books Online

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Effective STL: 50 Specific Ways to Improve Your Use of the Standard Template Library

Effective STL: 50 Specific Ways to Improve Your Use of the Standard Template Library

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Contents

Addison-Wesley Professional Computing Series

Acknowledgments

Ch. 1. Containers

Item 1: Choose your containers with care

Item 2: Beware the illusion of container-independent code

Item 3: Make copying cheap and correct for objects in containers

Item 4: Call empty instead of checking size() against zero

Item 5: Prefer range member functions to their single-element counterparts

Item 6: Be alert for C++’s most vexing parse

Item 7: When using containers of newed pointers, remember to delete the pointers before the container is destroyed

Item 8: Never create containers of auto_ptrs

Item 9: Choose carefully among erasing options

Item 10: Be aware of allocator conventions and restrictions

Item 11: Understand the legitimate uses of custom allocators

Item 12: Have realistic expectations about the thread safety of STL containers

Ch. 2. vector and string

Ch. 3. Associative Containers

Ch. 4. Iterators

Ch. 5. Algorithms

Ch. 6. Functors, Functor Classes, Functions, etc

Ch. 7. Programming with the STL

Appx. A. Locales and Case-Insensitive String Comparisons

Appx. B. Remarks on Microsoft’s STL Platforms

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Help

Item 4: Call `empty` instead of checking `size()` against zero

For any container c, writing

if (c.size() == 0) ...

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