Create a Variant_Base object holding the 0th alternative, which is value-initialized.
Declared in <bslstl_variant.h>
Variant_Base(
std::allocator_arg_t allocatorArg,
allocator_type allocator);Create a Variant_Base object holding the 0th alternative, which is value-initialized. If this Variant_Base is allocator-aware, the specified allocator is used to supply memory.
| Name | Description |
|---|---|
| allocatorArg | tag selecting the allocator-extended overload |
| allocator | allocator used to supply memory |