Return the index tag for a nullptr_t lvalue reference.
Declared in <bslmf_invokeresult.h>
static
bslmf::Tag<e_NULLPTR_T>
fromVal(bsl::nullptr_t& value);
a Tag encoding e_NULLPTR_T for the argument type
| Name | Description |
|---|---|
| value | lvalue whose type is mapped to an index tag |