Effective STL

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1、ContentContainers...................................................................................................................1Item1.Chooseyourcontainerswithcare...........................................................1Item2.Bewaretheillusionofcontainer-indep

2、endentcode................................4Item3.Makecopyingcheapandcorrectforobjectsincontainers.....................9Item4.Callemptyinsteadofcheckingsize()againstzero..............................11Item5.Preferrangememberfunctionstotheirsingle-elementcounterparts..

3、.12Item6.BealertforC++'smostvexingparse...................................................20Item7.Whenusingcontainersofnewedpointers,remembertodeletethepointersbeforethecontainerisdestroyed............................................................22Item8.Nevercreat

4、econtainersofauto_ptrs....................................................27Item9.Choosecarefullyamongerasingoptions..............................................29Item10.Beawareofallocatorconventionsandrestrictions..........................34Item11.Understandthelegi

5、timateusesofcustomallocators........................40Item12.HaverealisticexpectationsaboutthethreadsafetyofSTLcontainers.43vectorandstring........................................................................................................48Item13.Prefervectorand

6、stringtodynamicallyallocatedarrays..................48Item14.Usereservetoavoidunnecessaryreallocations................................50Item15.Beawareofvariationsinstringimplementations............................52Item16.KnowhowtopassvectorandstringdatatolegacyAPIs.

7、...............57Item17.Use"theswaptrick"totrimexcesscapacity....................................60Item18.Avoidusingvector................................................................62AssociativeContainers....................................................

8、..........................................65Item19.Understandthedifferencebetweenequalityandequivalence..........65iItem20.Specifyc