Return the address providing modifiable access to the object referred to by this shared pointer, or 0 if this shared pointer does not refer to an object.
Declared in <bslstl_sharedptr.h>
ELEMENT_TYPE*
operator->() const noexcept;Return the address providing modifiable access to the object referred to by this shared pointer, or 0 if this shared pointer does not refer to an object. Note that applying this operator conventionally (e.g., to invoke a method) to an shared pointer that does not refer to an object will result in undefined behavior.
address of the referred-to object, or 0 if empty