BloombergLP::bdlb::NullableAllocatedValue::value_or

Return the contained value, or default_value if this object is null.

Synopsis

Declared in <bdlb_nullableallocatedvalue.h>

template<class ANY_TYPE>
TYPE
value_or(ANY_TYPE const& default_value) const;

Description

Return the value of the underlying object of a (template parameter) TYPE if this object is non-null, and the specified default_value otherwise. Note that this method returns by value, so may be inefficient in some contexts.

Return Value

contained value, or default_value if this object is null

Parameters

NameDescription
default_valuefallback value if this object is null