Boost
C++ Libraries
...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
Return a character with bounds checking.
boost::system::result< char & > try_at(std::size_tpos) noexcept;
Returns boost::system::result containing a reference to the
character specified at location pos,
if pos is within the
range of the string. Otherwise the result contains an error_code.
Strong guarantee.
|
Name |
Description |
|---|---|
|
|
A zero-based index to access. |
Constant.