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Changed "Never use 'using' In a Header File" guideline.

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Changed it to "Never use 'using namespace' ...". Also added some more explanation.
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Ralph Tandetzky
2015-03-07 20:14:23 +01:00
parent a9de313cc5
commit bece9883e1
1 changed files with 3 additions and 1 deletions
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03-Style.md
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@@ -90,9 +90,11 @@ int myFunc()
which would be impossible if the function comment header used `/* */` which would be impossible if the function comment header used `/* */`
## Never Use `using` In a Header File ## Never Use `using namespace` In a Header File
This causes the name space you are `using` to be pulled into the namespace of the header file. This causes the name space you are `using` to be pulled into the namespace of the header file.
It litters the own namespace and it may lead to name collisions in the future.
Writing `using namespace` in an implementation file is fine though.
## Include Guards ## Include Guards