Type-erasure utilities. More...

Modules
	storage
	Provides different storage backends for cpp::SimpleAny class.

	Concepts
	Family of concepts defining possible features of types.

	Features
	Generic implementation of type features.

Classes
class	cpp::Any< Storage, FunctionsStorage, FunctionArgsStorage, AttributesStorage >
	Implements a type-erased object container with support for dynamic method and attribute invokation. More...

class	cpp::AnyArg
	Represents a type erased function call argument. More...

class	cpp::typeerasure::Field< Storage, ObjectArgStorage >
	Stores a type erased member object pointer. More...

class	cpp::typeerasure::Function< Storage, ArgsStorage, ReturnStorage >
	Stores a type-erased callable of any signature and kind. More...

class	cpp::SimpleAny< Storage >
	Implements a type-erased value container with minimal value semantics requirements. More...

class	cpp::typeerasure::TypeInfo
	Contains minimal information to execute the value semantics operations of a type. More...

Typedefs
using	cpp::Any8 = Any< DeadPoolStorage< 8 >>
	An Any with 8 byte deadpool storage.

using	cpp::Any16 = Any< DeadPoolStorage< 16 >>
	An Any with 16 byte deadpool storage.

using	cpp::Any32 = Any< DeadPoolStorage< 32 >>
	An Any with 32 byte deadpool storage.

using	cpp::Any64 = Any< DeadPoolStorage< 64 >>
	An Any with 64 byte deadpool storage.

using	cpp::ConstReferenceAny = Any< ConstNonOwningStorage, DeadPoolStorage< 32 >>
	A non-owning Any that (const) references an existing object.

using	cpp::ReferenceAny = Any< NonOwningStorage, DeadPoolStorage< 32 >>
	A non-owning Any that references an existing object.

using	cpp::typeerasure::Field8 = Field< DeadPoolStorage< 8 >>
	A field with 8 byte fixed-size storage.

using	cpp::typeerasure::Field16 = Field< DeadPoolStorage< 16 >>
	A field with 16 byte fixed-size storage.

using	cpp::typeerasure::Field32 = Field< DeadPoolStorage< 32 >>
	A field with 32 byte fixed-size storage.

using	cpp::typeerasure::Field64 = Field< DeadPoolStorage< 64 >>
	A field with 64 byte fixed-size storage.

using	cpp::typeerasure::Function8 = Function< DeadPoolStorage< 8 >>
	A Function with 8 byte fixed-size storage.

using	cpp::typeerasure::Function16 = Function< DeadPoolStorage< 16 >>
	A Function with 16 byte fixed-size storage.

using	cpp::typeerasure::Function32 = Function< DeadPoolStorage< 32 >>
	A Function with 32 byte fixed-size storage.

using	cpp::typeerasure::Function64 = Function< DeadPoolStorage< 64 >>
	A Function with 64 byte fixed-size storage.

using	cpp::SimpleAny8 = SimpleAny< DeadPoolStorage< 8 >>
	A SimpleAny with 8 byte dead pool storage.

using	cpp::SimpleAny16 = SimpleAny< DeadPoolStorage< 16 >>
	A SimpleAny with 16 byte dead pool storage.

using	cpp::SimpleAny32 = SimpleAny< DeadPoolStorage< 32 >>
	A SimpleAny with 32 byte dead pool storage.

using	cpp::SimpleAny64 = SimpleAny< DeadPoolStorage< 64 >>
	A SimpleAny with 64 byte dead pool storage.

using	cpp::ConstReferenceSimpleAny = SimpleAny< ConstNonOwningStorage >
	A non-owning SimpleAny that (const) references an existing object.

using	cpp::ReferenceSimpleAny = SimpleAny< NonOwningStorage >
	A non-owning SimpleAny that references an existing object.

Enumerations
enum	cpp::typeerasure::detail::ValueSemanticsOperation : std::size_t { COPY_CONSTRUCT, MOVE_CONSTRUCT, COPY_ASSIGN, MOVE_ASSIGN, DESTROY }
	Represents a value semantics operation. See valueSemanticsOperation()

Functions
template<typename Callable , typename... Storages>
decltype(auto)	cpp::typeerasure::invoke (Callable &&callable, const ::cpp::SimpleAny< Storages > &...args)
	Invokes a callable object with the given type-erased arguments. More...

template<typename Callable , typename... Storages>
decltype(auto)	cpp::typeerasure::invoke (Callable &&callable,::cpp::SimpleAny< Storages > &...args)
	Invokes a callable object with the given type-erased arguments. More...

template<typename Callable , typename... Storages>
decltype(auto)	cpp::typeerasure::invoke (Callable &&callable,::cpp::SimpleAny< Storages > &&...args)
	Invokes a callable object with the given type-erased arguments. More...

template<typename Callable , typename Storage >
decltype(auto)	cpp::typeerasure::invoke (Callable &&callable, const std::vector<::cpp::SimpleAny< Storage >> &args)
	Invokes a callable object with the given type-erased arguments. More...

template<typename Callable , typename Storage >
decltype(auto)	cpp::typeerasure::invoke (Callable &&callable, std::vector<::cpp::SimpleAny< Storage >> &args)
	Invokes a callable object with the given type-erased arguments. More...

template<typename Callable , typename Storage >
decltype(auto)	cpp::typeerasure::invoke (Callable &&callable, std::vector<::cpp::SimpleAny< Storage >> &&args)
	Invokes a callable object with the given type-erased arguments. More...

template<typename Callable >
decltype(auto)	cpp::typeerasure::invoke (Callable &&callable, const std::vector<::cpp::AnyArg > &args)
	Invokes a callable object with the given type-erased arguments. More...

template<typename Callable >
decltype(auto)	cpp::typeerasure::invoke (Callable &&callable, std::vector<::cpp::AnyArg > &args)
	Invokes a callable object with the given type-erased arguments. More...

template<typename Callable >
decltype(auto)	cpp::typeerasure::invoke (Callable &&callable, std::vector<::cpp::AnyArg > &&args)
	Invokes a callable object with the given type-erased arguments. More...

template<typename Callable , typename Iterator , typename = typename std::iterator_traits<Iterator>::value_type>
decltype(auto)	cpp::typeerasure::invoke (Callable &&callable, Iterator argsBegin)
	Invokes a callable object with the given type-erased arguments. More...

template<typename T >
ValueSemanticsOperationFunction	cpp::typeerasure::detail::valueSemanticsOperation (ValueSemanticsOperation operation)
	Implements a type-erased interface for the value semantics features of a type T. More...

Detailed Description

Type-erasure utilities.

This module provides classes and methods to manipulate type-erased objects:

cpp::SimpleAny: Type-erased value container with customizable storage
cpp::typeerasure::Function: Type-erased callable with customizable storage
cpp::Any: Type-erased value container with a customizable object-like interface at runtime.
cpp::typeerasure::invoke(): Generic callable invocation with type-erased arguments

Function Documentation

template<typename Callable , typename... Storages>

decltype(auto) cpp::typeerasure::invoke	(	Callable &&	callable,
		const ::cpp::SimpleAny< Storages > &...	args
	)

Invokes a callable object with the given type-erased arguments.

Parameters

callable	Callable entity to be invoked
args	Invocation arguments. If `callable` is a pointer to member function, the first argument is interpreted as the caller object

See cpp::invoke() for detailed behavior

Examples:: examples/reflection/static/serialization.cpp.

template<typename Callable , typename... Storages>

decltype(auto) cpp::typeerasure::invoke	(	Callable &&	callable,
		::cpp::SimpleAny< Storages > &...	args
	)

Invokes a callable object with the given type-erased arguments.

Parameters

callable	Callable entity to be invoked
args	Invocation arguments. If `callable` is a pointer to member function, the first argument is interpreted as the caller object

See cpp::invoke() for detailed behavior

template<typename Callable , typename... Storages>

decltype(auto) cpp::typeerasure::invoke	(	Callable &&	callable,
		::cpp::SimpleAny< Storages > &&...	args
	)

Invokes a callable object with the given type-erased arguments.

Parameters

callable	Callable entity to be invoked
args	Invocation arguments. If `callable` is a pointer to member function, the first argument is interpreted as the caller object

See cpp::invoke() for detailed behavior

template<typename Callable , typename Storage >

decltype(auto) cpp::typeerasure::invoke	(	Callable &&	callable,
		const std::vector<::cpp::SimpleAny< Storage >> &	args
	)

Invokes a callable object with the given type-erased arguments.

Parameters

callable	Callable entity to be invoked
args	Invocation arguments. If `callable` is a pointer to member function, the first argument is interpreted as the caller object

See cpp::invoke() for detailed behavior

template<typename Callable , typename Storage >

decltype(auto) cpp::typeerasure::invoke	(	Callable &&	callable,
		std::vector<::cpp::SimpleAny< Storage >> &	args
	)

Invokes a callable object with the given type-erased arguments.

Parameters

callable	Callable entity to be invoked
args	Invocation arguments. If `callable` is a pointer to member function, the first argument is interpreted as the caller object

See cpp::invoke() for detailed behavior

template<typename Callable , typename Storage >

decltype(auto) cpp::typeerasure::invoke	(	Callable &&	callable,
		std::vector<::cpp::SimpleAny< Storage >> &&	args
	)

Invokes a callable object with the given type-erased arguments.

Parameters

callable	Callable entity to be invoked
args	Invocation arguments. If `callable` is a pointer to member function, the first argument is interpreted as the caller object

See cpp::invoke() for detailed behavior

template<typename Callable >

decltype(auto) cpp::typeerasure::invoke	(	Callable &&	callable,
		const std::vector<::cpp::AnyArg > &	args
	)

Invokes a callable object with the given type-erased arguments.

This overload using cpp::AnyArg objects ensures that reference parameters of the callable get references to the original non-type-erased arguments

Parameters

callable	Callable entity to be invoked
args	Invocation arguments. If `callable` is a pointer to member function, the first argument is interpreted as the caller object

See cpp::invoke() for detailed behavior

template<typename Callable >

decltype(auto) cpp::typeerasure::invoke	(	Callable &&	callable,
		std::vector<::cpp::AnyArg > &	args
	)

Invokes a callable object with the given type-erased arguments.

This overload using cpp::AnyArg objects ensures that reference parameters of the callable get references to the original non-type-erased arguments

Parameters

callable	Callable entity to be invoked
args	Invocation arguments. If `callable` is a pointer to member function, the first argument is interpreted as the caller object

See cpp::invoke() for detailed behavior

template<typename Callable >

decltype(auto) cpp::typeerasure::invoke	(	Callable &&	callable,
		std::vector<::cpp::AnyArg > &&	args
	)

Invokes a callable object with the given type-erased arguments.

This overload using cpp::AnyArg objects ensures that reference parameters of the callable get references to the original non-type-erased arguments

Parameters

callable	Callable entity to be invoked
args	Invocation arguments. If `callable` is a pointer to member function, the first argument is interpreted as the caller object

See cpp::invoke() for detailed behavior

template<typename Callable , typename Iterator , typename = typename std::iterator_traits<Iterator>::value_type>

decltype(auto) cpp::typeerasure::invoke	(	Callable &&	callable,
		Iterator	argsBegin
	)

Invokes a callable object with the given type-erased arguments.

This overload takes an iterator to a sequence of type-erased arguments.

Template Parameters

Iterator Must follow the RandomAccessIterator concept

Parameters

callable	Callable entity to be invoked
argsBegin	Iterator pointing to the beginning of the args sequence. If `callable` is a pointer to member function, the first argument is interpreted as the caller object

See cpp::invoke() for detailed behavior

template<typename T >

ValueSemanticsOperationFunction cpp::typeerasure::detail::valueSemanticsOperation ( ValueSemanticsOperation operation )

Implements a type-erased interface for the value semantics features of a type T.

The function returns a function pointer with a type erased signature that gives access to the specified value semantics feature. See ValueSemanticsOperation.

int i = 42;
int* j = malloc(sizeof(i));
void (*copyConstructInts)(void*, const void*) = valueSemanticsOperation<int>(ValueSemanticsOperation::COPY_CONSTRUCT);
copyConstructInts(j, &i); // copy i into j

Parameters

operation The operation needed

Returns: A void(*)(void*, const void*) function pointer that implements the required operation

Modules

Classes

Typedefs

Enumerations

Functions

Detailed Description

Function Documentation