prolog

Hi,

that can have various reasons. InfoGeek allready mentioned one. Firstly it depends on the project you are working on. If you're developing a library it's most likely that u use the std:: selector.

Secondly it depends on how much different namespaces exist in your project. I can just speak for myself, but i want to know which method is called if two methods live in different namespaces but have similar naming. That is i want to know if i used for example the std::copy or my own lets say dts::copy in a certain situation. And i don't want to jump out of a diffecult part of code at the bottom to the top to check what namespace i had imported.

Another reason is that u most often do not use that much std::-code so it's more convinient to use "using std::cin;" or precede each element with the namespaceprefix and scope-op.

Sometimes you even have to use the std::whatever syntax in order to remove name-clashes.

Namespace pollution is as bad as environment pollution

So far ...

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