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An occurrence of a using directive.
This class is a strict superset of Using Directive in Header File.
| Class Name | Using Directive | ||||||
|---|---|---|---|---|---|---|---|
| Significance | style | ||||||
| Mnemonic | LANG.STRUCT.USING.DIRECTIVE | ||||||
| Categories |
|
||||||
| Availability | Available for C and C++. |
||||||
| Enabling | Checks for this warning class are disabled by default,
and require the unnormalized
C ASTs for the project. To enable them, add the following
WARNING_FILTER rule and RETAIN_UNNORMALIZED_C_AST specification to the project configuration file.
RETAIN_UNNORMALIZED_C_AST = Yes WARNING_FILTER += allow class="Using Directive" |
Japanese (ja)
namespace ns_directive{
int dirA;
int dirB;
}
namespace ns_declaration{
int declA;
int declB;
}
namespace ns_qualified{
int qualA;
int qualB;
}
using namespace ns_directive; /* 'Using Directive' warning issued here */
using ns_declaration::declA; /* ok: using declaration (not directive) */
void lang_struct_using_directive(){
++dirA;
++declA;
++ns_qualified::qualA; /* ok: qualified identifier */
}
The following configuration file parameters affect checks for this warning class.