value::at_pointer (3 of 3 overloads)

Access an element via JSON Pointer.

value&
at_pointer(
    string_view ptr,
    boost::source_location const& loc = BOOST_CURRENT_LOCATION) &;

This function is used to access a (potentially nested) element of the value using a JSON Pointer string.

Linear in the sizes of ptr and underlying array, object, or string.

Strong guarantee.

Name	Description
`ptr`	JSON Pointer string.
`loc`	`source_location` to use in thrown exception; the source location of the call site by default.

reference to the element identified by ptr.

Type	Thrown On
boost::system::system_error	if an error occurs.

Boost C++ Libraries