diff options
Diffstat (limited to 'libstdc++-v3/include/bits/basic_string.h')
-rw-r--r-- | libstdc++-v3/include/bits/basic_string.h | 51 |
1 files changed, 31 insertions, 20 deletions
diff --git a/libstdc++-v3/include/bits/basic_string.h b/libstdc++-v3/include/bits/basic_string.h index 0edb8b2f8df..00f9bccd419 100644 --- a/libstdc++-v3/include/bits/basic_string.h +++ b/libstdc++-v3/include/bits/basic_string.h @@ -865,6 +865,26 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION return _M_data()[__n]; } + /** + * @brief Provides access to the data contained in the %string. + * @param __n The index of the character to access. + * @return Read/write reference to the character. + * @throw std::out_of_range If @a n is an invalid index. + * + * This function provides for safer data access. The parameter is + * first checked that it is in the range of the string. The function + * throws out_of_range if the check fails. Success results in + * unsharing the string. + */ + reference + at(size_type __n) + { + if (__n >= size()) + __throw_out_of_range(__N("basic_string::at")); + _M_leak(); + return _M_data()[__n]; + } + #ifdef __GXX_EXPERIMENTAL_CXX0X__ /** * Returns a read/write reference to the data at the first @@ -899,26 +919,6 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION { return operator[](this->size() - 1); } #endif - /** - * @brief Provides access to the data contained in the %string. - * @param __n The index of the character to access. - * @return Read/write reference to the character. - * @throw std::out_of_range If @a n is an invalid index. - * - * This function provides for safer data access. The parameter is - * first checked that it is in the range of the string. The function - * throws out_of_range if the check fails. Success results in - * unsharing the string. - */ - reference - at(size_type __n) - { - if (__n >= size()) - __throw_out_of_range(__N("basic_string::at")); - _M_leak(); - return _M_data()[__n]; - } - // Modifiers: /** * @brief Append a string to this string. @@ -1394,6 +1394,17 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION iterator erase(iterator __first, iterator __last); +#ifdef __GXX_EXPERIMENTAL_CXX0X__ + /** + * @brief Remove the last character. + * + * The string must be non-empty. + */ + void + pop_back() + { erase(size()-1, 1); } +#endif // __GXX_EXPERIMENTAL_CXX0X__ + /** * @brief Replace characters with value from another string. * @param __pos Index of first character to replace. |