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Add the at() method to C++ vectors.

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* There is no reason not to have this.
This commit is contained in:
Adrien Destugues 2014-10-26 16:48:44 +01:00
parent 4501776089
commit 850f2d1e58
1 changed files with 14 additions and 0 deletions
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14
headers/cpp/stl_vector.h
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@ -31,6 +31,8 @@
#ifndef __SGI_STL_INTERNAL_VECTOR_H
#define __SGI_STL_INTERNAL_VECTOR_H
#include <stdexcept>
__STL_BEGIN_NAMESPACE
#if defined(__sgi) && !defined(__GNUC__) && (_MIPS_SIM != _MIPS_SIM_ABI32)
@ -218,6 +220,18 @@ public:
reference operator[](size_type __n) { return *(begin() + __n); }
const_reference operator[](size_type __n) const { return *(begin() + __n); }
reference at(size_type __n) {
if (__n >= size())
throw std::out_of_range("vector::at() out_of_range");
return *(begin() + __n);
}
const_reference at(size_type __n) const {
if (__n >= size())
throw std::out_of_range("vector::at() out_of_range");
return *(begin() + __n);
}
explicit vector(const allocator_type& __a = allocator_type())
: _Base(__a) {}