Effective STL: 50 Specific Ways to Improve Your Use of the Standard Template Library [1st edition] 0201749629, 9780201749625

Table of contents :
Cover......Page 1
Contents......Page 8
Preface......Page 12
Acknowledgments......Page 16
Introduction......Page 20
Item 1: Choose your containers with care.......Page 30
Item 2: Beware the illusion of container-independent code.......Page 34
Item 3: Make copying cheap and correct for objects in containers.......Page 39
Item 4: Call empty instead of checking size() against zero.......Page 42
Item 5: Prefer range member functions to their single-element counterparts.......Page 43
Item 6: Be alert for C++’s most vexing parse.......Page 52
Item 7: When using containers of newed pointers, remember to delete the pointers before the container is destroyed.......Page 55
Item 8: Never create containers of auto_ptrs.......Page 59
Item 9: Choose carefully among erasing options.......Page 62
Item 10: Be aware of allocator conventions and restrictions.......Page 67
Item 11: Understand the legitimate uses of custom allocators.......Page 73
Item 12: Have realistic expectations about the thread safety of STL containers.......Page 77
Item 13: Prefer vector and string to dynamically allocated arrays.......Page 82
Item 14: Use reserve to avoid unnecessary reallocations.......Page 85
Item 15: Be aware of variations in string implementations.......Page 87
Item 16: Know how to pass vector and string data to legacy APIs.......Page 93
Item 17: Use “the swap trick” to trim excess capacity.......Page 96
Item 18: Avoid using vector.......Page 98
Item 19: Understand the difference between equality and equivalence.......Page 102
Item 20: Specify comparison types for associative containers of pointers.......Page 107
Item 21: Always have comparison functions return false for equal values.......Page 111
Item 22: Avoid in-place key modification in set and multiset.......Page 114
Item 23: Consider replacing associative containers with sorted vectors.......Page 119
Item 24: Choose carefully between map::operator[] and map::insert when efficiency is important.......Page 125
Item 25: Familiarize yourself with the nonstandard hashed containers.......Page 130
Item 26: Prefer iterator to const_iterator, reverse_iterator, and const_reverse_iterator.......Page 135
Item 27: Use distance and advance to convert a container’s const_iterators to iterators.......Page 139
Item 28: Understand how to use a reverse_iterator’s base iterator.......Page 142
Item 29: Consider istreambuf_iterators for character-by-character input.......Page 145
Chapter 5: Algorithms......Page 147
Item 30: Make sure destination ranges are big enough.......Page 148
Item 31: Know your sorting options.......Page 152
Item 32: Follow remove-like algorithms by erase if you really want to remove something.......Page 158
Item 33: Be wary of remove-like algorithms on containers of pointers.......Page 162
Item 34: Note which algorithms expect sorted ranges.......Page 165
Item 35: Implement simple case-insensitive string comparisons via mismatch or lexicographical_compare.......Page 169
Item 36: Understand the proper implementation of copy_if.......Page 173
Item 37: Use accumulate or for_each to summarize ranges.......Page 175
Item 38: Design functor classes for pass-by-value.......Page 181
Item 39: Make predicates pure functions.......Page 185
Item 40: Make functor classes adaptable.......Page 188
Item 41: Understand the reasons for ptr_fun, mem_fun, and mem_fun_ref.......Page 192
Item 42: Make sure less means operator

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