![]() |
Home | Libraries | People | FAQ | More |
Access an element, with bounds checking.
value& at(string_viewkey,boost::source_locationconst& loc = BOOST_CURRENT_LOCATION) &;
This function is used to access elements of the underlying object, or throw an exception if the value is not an object.
Constant.
Strong guarantee.
|
Name |
Description |
|---|---|
|
|
The key of the element to find. |
|
|
|
this->as_object(loc).at( key, loc ).