[cfe-commits] r59605 - /cfe/trunk/include/clang/Basic/IdentifierTable.h

[Chris Lattner]

On Nov 19, 2008, at 8:21 AM, Sebastian Redl wrote:

> Chris Lattner wrote:
>> Author: lattner
>> Date: Wed Nov 19 01:49:14 2008
>> New Revision: 59605
>>
>> URL: http://llvm.org/viewvc/llvm-project?rev=59605&view=rev
>> Log:
>> add a new helper method.  It is unclear to me why this doesn't  
>> work, but GCC
>> won't match it:
>>
>>  template<std::size_t StrLen>
>>  bool isName(const char Str[StrLen]) const {
>>    return getLength() == StrLen-1 && !memcmp(getName(), Str,  
>> StrLen-1);
>>  }
>>
> Because it's meaningless. A parameter of array type always decays.

Right.

> To
> actually pass an array, you have to make it a reference:
>
> template <std::size_t StrLen>
> bool isName(const char (&Str)[StrLen]) const


Awesome, that was exactly the trick I was trying to figure out but  
couldn't put the pieces together.  Thanks Sebastian!

-Chris