folly::poly

Types

Name	Description
`IBooleanTestable`	A `Poly` interface that can be used to make `Poly` objects contextually convertible to `bool` (`true` if and only if non-empty). It also gives `Poly` objects a unary logical negation operator.
`IEqualityComparable`	A `Poly` interface for types that are equality comparable.
`IMoveOnly`	A `Poly` interface for types that are move-only.
`INullablePointer`	A `Poly` interface that can be used to make Poly objects initializable from `nullptr` (to create an empty `Poly`) and equality comparable to `nullptr` (to test for emptiness).
`IRegular`	A `Poly` interface for types that are copyable, movable, and equality comparable.
`ISemiRegular`	A `Poly` interface for types that are copyable and movable.
`IStrictlyOrderable`	A `Poly` interface for types that are strictly orderable.

Name	Description
`operator==`	Tests whether a `Poly` object is empty.
`operator!=`	Tests whether a `Poly` object is non-empty.