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From "Anton Pevtsov (JIRA)" <j...@apache.org>
Subject [jira] Created: (STDCXX-121) std::search_n() assumes Size can be incremented
Date Tue, 17 Jan 2006 14:20:42 GMT
std::search_n() assumes Size can be incremented
-----------------------------------------------

         Key: STDCXX-121
         URL: http://issues.apache.org/jira/browse/STDCXX-121
     Project: STDCXX
        Type: Bug
  Components: 25. Algorithms  
    Versions: 4.1.2, 4.1.3    
 Environment: all
    Reporter: Anton Pevtsov
    Priority: Minor


$ cat t.cpp && make t
#include <algorithm>

struct Size
{
    operator int() { return 0; }
private:
    void operator=(Size&);
};

template int* std::search_n(int*, int*, Size, const int&, int (*)(int, int));

int main() { return 0; }
./include/algorithm.cc: In function '_FwdIter std::__search_n(_FwdIter, _FwdIter, _Dist*,
_Size, const _TypeT&, _BinaryPredicate) [with _FwdIter = int*, _Dist = int, _Size = Size,
_TypeT = int, _BinaryPredicate = int (*)(int, int)]':
./include/algorithm:304:   instantiated from '_FwdIter std::search_n(_FwdIter, _FwdIter, _Size,
const _TypeT&, _BinaryPredicate) [with _FwdIter = int*, _Size = Size, _TypeT = int, _BinaryPredicate
= int (*)(int, int)]'
t.cpp:11:   instantiated from here
./include/algorithm.cc:303: error: conversion from 'int' to non-scalar type 'Size' requested
./include/algorithm.cc:311: error: no match for 'operator=' in '__matches = 0'
t.cpp:8: note: candidates are: void Size::operator=(Size&)
./include/algorithm.cc:315: error: no match for 'operator++' in '++__matches'
make: *** [t.o] Error 1

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