Bug 58915 - g++ can't find function template
Summary: g++ can't find function template
Keywords:
Status: CLOSED NOTABUG
Alias: None
Product: Red Hat Linux
Classification: Retired
Component: gcc
Version: 7.1
Hardware: i686
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Jakub Jelinek
QA Contact: Brian Brock
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2002-01-27 20:24 UTC by ksvanhorn
Modified: 2007-04-18 16:39 UTC (History)
0 users

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2002-01-27 20:24:33 UTC
Embargoed:


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Description ksvanhorn 2002-01-27 20:24:27 UTC
From Bugzilla Helper:
User-Agent: Mozilla/4.76 [en] (X11; U; Linux 2.4.2-2 i586)

Description of problem:
g++ can't find a function template with the signature
template <typename T, size_t N>
inline size_t arrsz(T const A[N])

Version-Release number of selected component (if applicable):


How reproducible:
Always

Steps to Reproduce:
1. Save the file under "additional information" to "example_error.cc".
2. Run g++ example_error.cc.

	

Actual Results:  example_error.cc: In function `int main (int, char **)':
example_error.cc:14: no matching function for call to `arrsz (const 
int[6])'


Expected Results:  Successful compilation.

Additional info:

#include <cstdlib>

using namespace std;

template <typename T, size_t N>
  inline size_t
  arrsz(T const A[N]) {
    return N;
  }

int main(int argc, char * * argv)
{
  int const A[] = { 1, 5, 7, 4, 13, 10 };
  int const * Aend = A + arrsz(A);
  return 0;
}

Comment 1 Jakub Jelinek 2002-01-28 09:54:42 UTC
That's correct, check ISO C++ 98.
To make this work, you can e.g. use arrsz<int,6>(A) instead of arrsz(A).


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