BloombergLP::bdlat_ChoiceFunctions::accessSelection

Invoke accessor on the active selection of object.

Synopsis

Declared in <bdlat_choicefunctions.h>

template<
    class TYPE,
    class ACCESSOR>
int
accessSelection(
    TYPE const& object,
    ACCESSOR& accessor);

Description

Invoke the specified accessor on the (non-modifiable) selection of the specified object, supplying accessor with the corresponding selection information structure. The supplied accessor must be a callable type that can be called as if it had the following signature: ` template <class t_INFO> int accessor(const SELECTION_TYPE& selection, const t_INFO& info); ` Return the value returned from the invocation of accessor. The behavior is undefined unless k_UNDEFINED_SELECTION_ID != selectionId(object).

Return Value

result of invoking accessor

Parameters

NameDescription
objectchoice object whose selection is accessed
accessorfunctor applied to the active selection