BloombergLP::bdljsn::Json_VisitUtil::invokeVisitor

Invoke visitor with argument and return the result.

Synopsis

Declared in <bdljsn_json.h>

template<
    class RETURN_TYPE,
    class VISITOR,
    class ARGUMENT>
static
RETURN_TYPE
invokeVisitor(
    VISITOR* visitor,
    ARGUMENT const& argument);

Description

Invoke the specified visitor (callable object) with the specified argument and return the computed value of (template parameter) the RETURN_TYPE. Note that in typical use, argument has the current value and type of a Json object.

Return Value

the value returned by invoking visitor with argument

Parameters

Name

Description

visitor

callable to invoke

argument

value passed to visitor

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