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

This is the documentation for a snapshot of the develop branch, built from commit 2daa88693b.

array::try_at (2 of 2 overloads)

Access an element, with bounds checking.

Synopsis

boost::system::result< value const & >
try_at(
    std::size_t pos) const noexcept;

Description

Returns boost::system::result containing a reference to the element specified at location pos, if pos is within the range of the container. Otherwise the result contains an error_code.

Exception Safety

No-throw guarantee.

Parameters

Name	Description
`pos`	A zero-based index.

Complexity

Constant.