proxy

Proxy 3 Specifications

This document provides the API specifications for the C++ library Proxy (version 3). All the documented concepts, classes, and functions are defined in the namespace pro. Unless otherwise specified, all facilities are freestanding by default.

Concepts

Name	Description
facade	Specifies that a type models a “facade”
proxiable	Specifies that a pointer type can instantiate a proxy
inplace_proxiable_target	Specifies that a value type can instantiate a proxy without allocation

Classes

Name	Description
proxy	Wraps a pointer object matching specified facade
basic_facade_builder facade_builder	Provides capability to build a facade type at compile-time
constraint_level	Defines the 4 constraint levels of a special member function
proxiable_ptr_constraints	Defines the constraints of a pointer type to instantiate a proxy
operator_dispatch	Dispatch type for operator expressions with accessibility
explicit_conversion_dispatch conversion_dispatch	Dispatch type for explicit conversion expressions with accessibility
implicit_conversion_dispatch	Dispatch type for implicit conversion expressions with accessibility
proxy_indirect_accessor	Provides indirection accessibility for proxy

Functions

Name	Description
make_proxy	Creates a proxy object potentially with heap allocation
make_proxy_inplace	Creates a proxy object with strong no-allocation guarantee
allocate_proxy	Creates a proxy object with an allocator
proxy_invoke	Invokes a proxy with a specified convention
proxy_reflect	Acquires reflection information of the underlying pointer type
access_proxy	Accesses a proxy object via an accessor

Macros

Name	Description
PRO_DEF_MEM_DISPATCH	Defines a dispatch type for member function call expressions with accessibility
PRO_DEF_FREE_DISPATCH	Defines a dispatch type for free function call expressions with accessibility
PRO_DEF_FREE_AS_MEM_DISPATCH	Defines a dispatch type for free function call expressions with accessibility via a member function
PRO_DEF_WEAK_DISPATCH	Defines a weak dispatch type with a default implementation
__msft_lib_proxy	Feature test macro

Named Requirements

Name	Description
ProBasicFacade	Specifies that a type potentially models a “facade” of proxy
ProBasicConvention	Specifies that a type potentially models a “convention”
ProBasicReflection	Specifies that a type potentially models a “reflection”
ProFacade	Specifies that a type models a “facade” of proxy
ProConvention	Specifies that a type models a “convention”
ProReflection	Specifies that a type models a “reflection”
ProDispatch	Specifies that a type models a “dispatch”
ProOverload	Specifies that a type models an “overload”
ProAccessible	Specifies that a type provides accessibility to proxy

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