Boost C++ Libraries Home Libraries People FAQ More

PrevUpHomeNext
string::try_at (1 of 2 overloads)

Return a character with bounds checking.

Synopsis
boost::system::result< char & >
try_at(
    std::size_t pos) noexcept;
Description

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.

Exception Safety

Strong guarantee.

Parameters

Name

Description

pos

A zero-based index to access.

Complexity

Constant.


PrevUpHomeNext