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Tip of the Day
Home » Tip Bank » C++
Language: C++
Expertise: Intermediate
Nov 15, 2002



Application Security Testing: An Integral Part of DevOps

Initialize STL Containers with Predefined Values

This task is quite common task. However, explicit insertion of values can be unacceptable in many cases—like if you need to insert a lot of values.

I've found that it's quite handy to use arrays for this task:
pair<string, int> arr[] =
   pair<string, int>("640x480", 0),
   pair<string, int>("800x600", 1),
   pair<string, int>("1024x800", 2),
   pair<string, int>("1280x1024", 3)

map<string, int> msi(arr, arr + sizeof(arr)/sizeof(arr[0]));

This technique is easily applied to vectors, sets, etc.
Igor Soukhov
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