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object::try_at (1 of 2 overloads)

Access the specified element, with bounds checking.

Synopsis
boost::system::result< value & >
try_at(
    string_view key) noexcept;
Description

Returns boost::system::result containing a reference to the mapped value of the element that matches key. Otherwise the result contains an error_code.

Exception Safety

No-throw guarantee.

Parameters

Name

Description

key

The key of the element to find.

Complexity

Constant on average, worst case linear in size().


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