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Diffstat (limited to 'inference-engine/thirdparty/clDNN/common/boost/1.64.0/include/boost-1_64/boost/optional/optional.hpp')
| -rw-r--r-- | inference-engine/thirdparty/clDNN/common/boost/1.64.0/include/boost-1_64/boost/optional/optional.hpp | 1385 |
1 files changed, 0 insertions, 1385 deletions
diff --git a/inference-engine/thirdparty/clDNN/common/boost/1.64.0/include/boost-1_64/boost/optional/optional.hpp b/inference-engine/thirdparty/clDNN/common/boost/1.64.0/include/boost-1_64/boost/optional/optional.hpp deleted file mode 100644 index a465b9ed6..000000000 --- a/inference-engine/thirdparty/clDNN/common/boost/1.64.0/include/boost-1_64/boost/optional/optional.hpp +++ /dev/null @@ -1,1385 +0,0 @@ -// Copyright (C) 2003, 2008 Fernando Luis Cacciola Carballal. -// Copyright (C) 2014 - 2016 Andrzej Krzemienski. -// -// Use, modification, and distribution is subject to the Boost Software -// License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at -// http://www.boost.org/LICENSE_1_0.txt) -// -// See http://www.boost.org/libs/optional for documentation. -// -// You are welcome to contact the author at: -// fernando_cacciola@hotmail.com -// -// Revisions: -// 27 Apr 2008 (improved swap) Fernando Cacciola, Niels Dekker, Thorsten Ottosen -// 05 May 2014 (Added move semantics) Andrzej Krzemienski -// -#ifndef BOOST_OPTIONAL_OPTIONAL_FLC_19NOV2002_HPP -#define BOOST_OPTIONAL_OPTIONAL_FLC_19NOV2002_HPP - -#include <new> -#include <iosfwd> - -#include <boost/assert.hpp> -#include <boost/core/addressof.hpp> -#include <boost/core/enable_if.hpp> -#include <boost/core/explicit_operator_bool.hpp> -#include <boost/core/swap.hpp> -#include <boost/optional/bad_optional_access.hpp> -#include <boost/static_assert.hpp> -#include <boost/throw_exception.hpp> -#include <boost/type.hpp> -#include <boost/type_traits/alignment_of.hpp> -#include <boost/type_traits/conditional.hpp> -#include <boost/type_traits/has_nothrow_constructor.hpp> -#include <boost/type_traits/type_with_alignment.hpp> -#include <boost/type_traits/remove_const.hpp> -#include <boost/type_traits/remove_reference.hpp> -#include <boost/type_traits/decay.hpp> -#include <boost/type_traits/is_base_of.hpp> -#include <boost/type_traits/is_constructible.hpp> -#include <boost/type_traits/is_lvalue_reference.hpp> -#include <boost/type_traits/is_nothrow_move_assignable.hpp> -#include <boost/type_traits/is_nothrow_move_constructible.hpp> -#include <boost/type_traits/is_rvalue_reference.hpp> -#include <boost/type_traits/is_same.hpp> -#include <boost/move/utility.hpp> -#include <boost/none.hpp> -#include <boost/utility/compare_pointees.hpp> - -#include <boost/optional/optional_fwd.hpp> -#include <boost/optional/detail/optional_config.hpp> -#include <boost/optional/detail/optional_factory_support.hpp> -#include <boost/optional/detail/optional_aligned_storage.hpp> - -#ifdef BOOST_OPTIONAL_CONFIG_USE_OLD_IMPLEMENTATION_OF_OPTIONAL -#include <boost/optional/detail/old_optional_implementation.hpp> -#else -namespace boost { - -namespace optional_ns { - -// a tag for in-place initialization of contained value -struct in_place_init_t -{ - struct init_tag{}; - explicit in_place_init_t(init_tag){} -}; -const in_place_init_t in_place_init ((in_place_init_t::init_tag())); - -// a tag for conditional in-place initialization of contained value -struct in_place_init_if_t -{ - struct init_tag{}; - explicit in_place_init_if_t(init_tag){} -}; -const in_place_init_if_t in_place_init_if ((in_place_init_if_t::init_tag())); - -} // namespace optional_ns - -using optional_ns::in_place_init_t; -using optional_ns::in_place_init; -using optional_ns::in_place_init_if_t; -using optional_ns::in_place_init_if; - -namespace optional_detail { - -struct optional_tag {} ; - - -template<class T> -class optional_base : public optional_tag -{ - private : - - typedef aligned_storage<T> storage_type ; - typedef optional_base<T> this_type ; - - protected : - - typedef T value_type ; - - protected: - typedef T & reference_type ; - typedef T const& reference_const_type ; -#ifndef BOOST_OPTIONAL_DETAIL_NO_RVALUE_REFERENCES - typedef T && rval_reference_type ; - typedef T && reference_type_of_temporary_wrapper ; -#endif - typedef T * pointer_type ; - typedef T const* pointer_const_type ; - typedef T const& argument_type ; - - // Creates an optional<T> uninitialized. - // No-throw - optional_base() - : - m_initialized(false) {} - - // Creates an optional<T> uninitialized. - // No-throw - optional_base ( none_t ) - : - m_initialized(false) {} - - // Creates an optional<T> initialized with 'val'. - // Can throw if T::T(T const&) does - optional_base ( argument_type val ) - : - m_initialized(false) - { - construct(val); - } - -#ifndef BOOST_OPTIONAL_DETAIL_NO_RVALUE_REFERENCES - // move-construct an optional<T> initialized from an rvalue-ref to 'val'. - // Can throw if T::T(T&&) does - optional_base ( rval_reference_type val ) - : - m_initialized(false) - { - construct( boost::move(val) ); - } -#endif - - // Creates an optional<T> initialized with 'val' IFF cond is true, otherwise creates an uninitialzed optional<T>. - // Can throw if T::T(T const&) does - optional_base ( bool cond, argument_type val ) - : - m_initialized(false) - { - if ( cond ) - construct(val); - } - - // Creates a deep copy of another optional<T> - // Can throw if T::T(T const&) does - optional_base ( optional_base const& rhs ) - : - m_initialized(false) - { - if ( rhs.is_initialized() ) - construct(rhs.get_impl()); - } - -#ifndef BOOST_OPTIONAL_DETAIL_NO_RVALUE_REFERENCES - // Creates a deep move of another optional<T> - // Can throw if T::T(T&&) does - optional_base ( optional_base&& rhs ) - : - m_initialized(false) - { - if ( rhs.is_initialized() ) - construct( boost::move(rhs.get_impl()) ); - } -#endif - -#ifndef BOOST_OPTIONAL_DETAIL_NO_RVALUE_REFERENCES - - template<class Expr, class PtrExpr> - explicit optional_base ( Expr&& expr, PtrExpr const* tag ) - : - m_initialized(false) - { - construct(boost::forward<Expr>(expr),tag); - } - -#else - // This is used for both converting and in-place constructions. - // Derived classes use the 'tag' to select the appropriate - // implementation (the correct 'construct()' overload) - template<class Expr> - explicit optional_base ( Expr const& expr, Expr const* tag ) - : - m_initialized(false) - { - construct(expr,tag); - } - -#endif - - - // No-throw (assuming T::~T() doesn't) - ~optional_base() { destroy() ; } - - // Assigns from another optional<T> (deep-copies the rhs value) - void assign ( optional_base const& rhs ) - { - if (is_initialized()) - { - if ( rhs.is_initialized() ) - assign_value(rhs.get_impl()); - else destroy(); - } - else - { - if ( rhs.is_initialized() ) - construct(rhs.get_impl()); - } - } - -#ifndef BOOST_OPTIONAL_DETAIL_NO_RVALUE_REFERENCES - // Assigns from another optional<T> (deep-moves the rhs value) - void assign ( optional_base&& rhs ) - { - if (is_initialized()) - { - if ( rhs.is_initialized() ) - assign_value( boost::move(rhs.get_impl()) ); - else destroy(); - } - else - { - if ( rhs.is_initialized() ) - construct(boost::move(rhs.get_impl())); - } - } -#endif - - // Assigns from another _convertible_ optional<U> (deep-copies the rhs value) - template<class U> - void assign ( optional<U> const& rhs ) - { - if (is_initialized()) - { - if ( rhs.is_initialized() ) -#ifndef BOOST_OPTIONAL_CONFIG_RESTORE_ASSIGNMENT_OF_NONCONVERTIBLE_TYPES - assign_value( rhs.get() ); -#else - assign_value( static_cast<value_type>(rhs.get()) ); -#endif - - else destroy(); - } - else - { - if ( rhs.is_initialized() ) -#ifndef BOOST_OPTIONAL_CONFIG_RESTORE_ASSIGNMENT_OF_NONCONVERTIBLE_TYPES - construct(rhs.get()); -#else - construct(static_cast<value_type>(rhs.get())); -#endif - } - } - -#ifndef BOOST_OPTIONAL_DETAIL_NO_RVALUE_REFERENCES - // move-assigns from another _convertible_ optional<U> (deep-moves from the rhs value) - template<class U> - void assign ( optional<U>&& rhs ) - { - typedef BOOST_DEDUCED_TYPENAME optional<U>::rval_reference_type ref_type; - if (is_initialized()) - { - if ( rhs.is_initialized() ) - assign_value( static_cast<ref_type>(rhs.get()) ); - else destroy(); - } - else - { - if ( rhs.is_initialized() ) - construct(static_cast<ref_type>(rhs.get())); - } - } -#endif - - // Assigns from a T (deep-copies the rhs value) - void assign ( argument_type val ) - { - if (is_initialized()) - assign_value(val); - else construct(val); - } - -#ifndef BOOST_OPTIONAL_DETAIL_NO_RVALUE_REFERENCES - // Assigns from a T (deep-moves the rhs value) - void assign ( rval_reference_type val ) - { - if (is_initialized()) - assign_value( boost::move(val) ); - else construct( boost::move(val) ); - } -#endif - - // Assigns from "none", destroying the current value, if any, leaving this UNINITIALIZED - // No-throw (assuming T::~T() doesn't) - void assign ( none_t ) BOOST_NOEXCEPT { destroy(); } - -#ifndef BOOST_OPTIONAL_NO_INPLACE_FACTORY_SUPPORT - -#ifndef BOOST_OPTIONAL_DETAIL_NO_RVALUE_REFERENCES - template<class Expr, class ExprPtr> - void assign_expr ( Expr&& expr, ExprPtr const* tag ) - { - if (is_initialized()) - assign_expr_to_initialized(boost::forward<Expr>(expr),tag); - else construct(boost::forward<Expr>(expr),tag); - } -#else - template<class Expr> - void assign_expr ( Expr const& expr, Expr const* tag ) - { - if (is_initialized()) - assign_expr_to_initialized(expr,tag); - else construct(expr,tag); - } -#endif - -#endif - - public : - - // **DEPPRECATED** Destroys the current value, if any, leaving this UNINITIALIZED - // No-throw (assuming T::~T() doesn't) - void reset() BOOST_NOEXCEPT { destroy(); } - - // **DEPPRECATED** Replaces the current value -if any- with 'val' - void reset ( argument_type val ) { assign(val); } - - // Returns a pointer to the value if this is initialized, otherwise, - // returns NULL. - // No-throw - pointer_const_type get_ptr() const { return m_initialized ? get_ptr_impl() : 0 ; } - pointer_type get_ptr() { return m_initialized ? get_ptr_impl() : 0 ; } - - bool is_initialized() const { return m_initialized ; } - - protected : - - void construct ( argument_type val ) - { - ::new (m_storage.address()) value_type(val) ; - m_initialized = true ; - } - -#ifndef BOOST_OPTIONAL_DETAIL_NO_RVALUE_REFERENCES - void construct ( rval_reference_type val ) - { - ::new (m_storage.address()) value_type( boost::move(val) ) ; - m_initialized = true ; - } -#endif - - -#if (!defined BOOST_OPTIONAL_DETAIL_NO_RVALUE_REFERENCES) && (!defined BOOST_NO_CXX11_VARIADIC_TEMPLATES) - // Constructs in-place - // upon exception *this is always uninitialized - template<class... Args> - void construct ( in_place_init_t, Args&&... args ) - { - ::new (m_storage.address()) value_type( boost::forward<Args>(args)... ) ; - m_initialized = true ; - } - - template<class... Args> - void emplace_assign ( Args&&... args ) - { - destroy(); - construct(in_place_init, boost::forward<Args>(args)...); - } - - template<class... Args> - explicit optional_base ( in_place_init_t, Args&&... args ) - : - m_initialized(false) - { - construct(in_place_init, boost::forward<Args>(args)...); - } - - template<class... Args> - explicit optional_base ( in_place_init_if_t, bool cond, Args&&... args ) - : - m_initialized(false) - { - if ( cond ) - construct(in_place_init, boost::forward<Args>(args)...); - } -#elif (!defined BOOST_OPTIONAL_DETAIL_NO_RVALUE_REFERENCES) - template<class Arg> - void construct ( in_place_init_t, Arg&& arg ) - { - ::new (m_storage.address()) value_type( boost::forward<Arg>(arg) ); - m_initialized = true ; - } - - void construct ( in_place_init_t ) - { - ::new (m_storage.address()) value_type(); - m_initialized = true ; - } - - template<class Arg> - void emplace_assign ( Arg&& arg ) - { - destroy(); - construct(in_place_init, boost::forward<Arg>(arg)) ; - } - - void emplace_assign () - { - destroy(); - construct(in_place_init) ; - } - - template<class Arg> - explicit optional_base ( in_place_init_t, Arg&& arg ) - : - m_initialized(false) - { - construct(in_place_init, boost::forward<Arg>(arg)); - } - - explicit optional_base ( in_place_init_t ) - : - m_initialized(false) - { - construct(in_place_init); - } - - template<class Arg> - explicit optional_base ( in_place_init_if_t, bool cond, Arg&& arg ) - : - m_initialized(false) - { - if ( cond ) - construct(in_place_init, boost::forward<Arg>(arg)); - } - - explicit optional_base ( in_place_init_if_t, bool cond ) - : - m_initialized(false) - { - if ( cond ) - construct(in_place_init); - } - -#else - - template<class Arg> - void construct ( in_place_init_t, const Arg& arg ) - { - ::new (m_storage.address()) value_type( arg ); - m_initialized = true ; - } - - template<class Arg> - void construct ( in_place_init_t, Arg& arg ) - { - ::new (m_storage.address()) value_type( arg ); - m_initialized = true ; - } - - void construct ( in_place_init_t ) - { - ::new (m_storage.address()) value_type(); - m_initialized = true ; - } - - template<class Arg> - void emplace_assign ( const Arg& arg ) - { - destroy(); - construct(in_place_init, arg); - } - - template<class Arg> - void emplace_assign ( Arg& arg ) - { - destroy(); - construct(in_place_init, arg); - } - - void emplace_assign () - { - destroy(); - construct(in_place_init); - } - - template<class Arg> - explicit optional_base ( in_place_init_t, const Arg& arg ) - : m_initialized(false) - { - construct(in_place_init, arg); - } - - template<class Arg> - explicit optional_base ( in_place_init_t, Arg& arg ) - : m_initialized(false) - { - construct(in_place_init, arg); - } - - explicit optional_base ( in_place_init_t ) - : m_initialized(false) - { - construct(in_place_init); - } - - template<class Arg> - explicit optional_base ( in_place_init_if_t, bool cond, const Arg& arg ) - : m_initialized(false) - { - if ( cond ) - construct(in_place_init, arg); - } - - template<class Arg> - explicit optional_base ( in_place_init_if_t, bool cond, Arg& arg ) - : m_initialized(false) - { - if ( cond ) - construct(in_place_init, arg); - } - - explicit optional_base ( in_place_init_if_t, bool cond ) - : m_initialized(false) - { - if ( cond ) - construct(in_place_init); - } -#endif - -#ifndef BOOST_OPTIONAL_NO_INPLACE_FACTORY_SUPPORT - -#ifndef BOOST_OPTIONAL_DETAIL_NO_RVALUE_REFERENCES - // Constructs in-place using the given factory - template<class Expr> - void construct ( Expr&& factory, in_place_factory_base const* ) - { - boost_optional_detail::construct<value_type>(factory, m_storage.address()); - m_initialized = true ; - } - - // Constructs in-place using the given typed factory - template<class Expr> - void construct ( Expr&& factory, typed_in_place_factory_base const* ) - { - factory.apply(m_storage.address()) ; - m_initialized = true ; - } - - template<class Expr> - void assign_expr_to_initialized ( Expr&& factory, in_place_factory_base const* tag ) - { - destroy(); - construct(factory,tag); - } - - // Constructs in-place using the given typed factory - template<class Expr> - void assign_expr_to_initialized ( Expr&& factory, typed_in_place_factory_base const* tag ) - { - destroy(); - construct(factory,tag); - } - -#else - // Constructs in-place using the given factory - template<class Expr> - void construct ( Expr const& factory, in_place_factory_base const* ) - { - boost_optional_detail::construct<value_type>(factory, m_storage.address()); - m_initialized = true ; - } - - // Constructs in-place using the given typed factory - template<class Expr> - void construct ( Expr const& factory, typed_in_place_factory_base const* ) - { - factory.apply(m_storage.address()) ; - m_initialized = true ; - } - - template<class Expr> - void assign_expr_to_initialized ( Expr const& factory, in_place_factory_base const* tag ) - { - destroy(); - construct(factory,tag); - } - - // Constructs in-place using the given typed factory - template<class Expr> - void assign_expr_to_initialized ( Expr const& factory, typed_in_place_factory_base const* tag ) - { - destroy(); - construct(factory,tag); - } -#endif - -#endif - -#ifndef BOOST_OPTIONAL_DETAIL_NO_RVALUE_REFERENCES - // Constructs using any expression implicitly convertible to the single argument - // of a one-argument T constructor. - // Converting constructions of optional<T> from optional<U> uses this function with - // 'Expr' being of type 'U' and relying on a converting constructor of T from U. - template<class Expr> - void construct ( Expr&& expr, void const* ) - { - new (m_storage.address()) value_type(boost::forward<Expr>(expr)) ; - m_initialized = true ; - } - - // Assigns using a form any expression implicitly convertible to the single argument - // of a T's assignment operator. - // Converting assignments of optional<T> from optional<U> uses this function with - // 'Expr' being of type 'U' and relying on a converting assignment of T from U. - template<class Expr> - void assign_expr_to_initialized ( Expr&& expr, void const* ) - { - assign_value( boost::forward<Expr>(expr) ); - } -#else - // Constructs using any expression implicitly convertible to the single argument - // of a one-argument T constructor. - // Converting constructions of optional<T> from optional<U> uses this function with - // 'Expr' being of type 'U' and relying on a converting constructor of T from U. - template<class Expr> - void construct ( Expr const& expr, void const* ) - { - new (m_storage.address()) value_type(expr) ; - m_initialized = true ; - } - - // Assigns using a form any expression implicitly convertible to the single argument - // of a T's assignment operator. - // Converting assignments of optional<T> from optional<U> uses this function with - // 'Expr' being of type 'U' and relying on a converting assignment of T from U. - template<class Expr> - void assign_expr_to_initialized ( Expr const& expr, void const* ) - { - assign_value(expr); - } - -#endif - -#ifdef BOOST_OPTIONAL_WEAK_OVERLOAD_RESOLUTION - // BCB5.64 (and probably lower versions) workaround. - // The in-place factories are supported by means of catch-all constructors - // and assignment operators (the functions are parameterized in terms of - // an arbitrary 'Expr' type) - // This compiler incorrectly resolves the overload set and sinks optional<T> and optional<U> - // to the 'Expr'-taking functions even though explicit overloads are present for them. - // Thus, the following overload is needed to properly handle the case when the 'lhs' - // is another optional. - // - // For VC<=70 compilers this workaround dosen't work becasue the comnpiler issues and error - // instead of choosing the wrong overload - // -#ifndef BOOST_OPTIONAL_DETAIL_NO_RVALUE_REFERENCES - // Notice that 'Expr' will be optional<T> or optional<U> (but not optional_base<..>) - template<class Expr> - void construct ( Expr&& expr, optional_tag const* ) - { - if ( expr.is_initialized() ) - { - // An exception can be thrown here. - // It it happens, THIS will be left uninitialized. - new (m_storage.address()) value_type(boost::move(expr.get())) ; - m_initialized = true ; - } - } -#else - // Notice that 'Expr' will be optional<T> or optional<U> (but not optional_base<..>) - template<class Expr> - void construct ( Expr const& expr, optional_tag const* ) - { - if ( expr.is_initialized() ) - { - // An exception can be thrown here. - // It it happens, THIS will be left uninitialized. - new (m_storage.address()) value_type(expr.get()) ; - m_initialized = true ; - } - } -#endif -#endif // defined BOOST_OPTIONAL_WEAK_OVERLOAD_RESOLUTION - - void assign_value ( argument_type val ) { get_impl() = val; } -#ifndef BOOST_OPTIONAL_DETAIL_NO_RVALUE_REFERENCES - void assign_value ( rval_reference_type val ) { get_impl() = static_cast<rval_reference_type>(val); } -#endif - - void destroy() - { - if ( m_initialized ) - destroy_impl() ; - } - - reference_const_type get_impl() const { return m_storage.ref() ; } - reference_type get_impl() { return m_storage.ref() ; } - - pointer_const_type get_ptr_impl() const { return m_storage.ptr_ref(); } - pointer_type get_ptr_impl() { return m_storage.ptr_ref(); } - - private : - -#if BOOST_WORKAROUND(BOOST_MSVC, <= 1600) - void destroy_impl ( ) { m_storage.ptr_ref()->~T() ; m_initialized = false ; } -#else - void destroy_impl ( ) { m_storage.ref().T::~T() ; m_initialized = false ; } -#endif - - bool m_initialized ; - storage_type m_storage ; -} ; - -// definition of metafunciton is_optional_val_init_candidate -template <typename U> -struct is_optional_related - : boost::conditional< boost::is_base_of<optional_detail::optional_tag, BOOST_DEDUCED_TYPENAME boost::decay<U>::type>::value - || boost::is_same<BOOST_DEDUCED_TYPENAME boost::decay<U>::type, none_t>::value - || boost::is_same<BOOST_DEDUCED_TYPENAME boost::decay<U>::type, in_place_init_t>::value - || boost::is_same<BOOST_DEDUCED_TYPENAME boost::decay<U>::type, in_place_init_if_t>::value, - boost::true_type, boost::false_type>::type -{}; - -#if !defined(BOOST_OPTIONAL_DETAIL_NO_IS_CONSTRUCTIBLE_TRAIT) - -template <typename T, typename U> -struct is_convertible_to_T_or_factory - : boost::conditional< boost::is_base_of<boost::in_place_factory_base, BOOST_DEDUCED_TYPENAME boost::decay<U>::type>::value - || boost::is_base_of<boost::typed_in_place_factory_base, BOOST_DEDUCED_TYPENAME boost::decay<U>::type>::value - || (boost::is_constructible<T, U&&>::value && !boost::is_same<T, BOOST_DEDUCED_TYPENAME boost::decay<U>::type>::value) - , boost::true_type, boost::false_type>::type -{}; - -template <typename T, typename U> -struct is_optional_constructible : boost::is_constructible<T, U> -{}; - -#else - -template <typename, typename> -struct is_convertible_to_T_or_factory : boost::true_type -{}; - -template <typename T, typename U> -struct is_optional_constructible : boost::true_type -{}; - -#endif // is_convertible condition - -template <typename T, typename U> -struct is_optional_val_init_candidate - : boost::conditional< !is_optional_related<U>::value && is_convertible_to_T_or_factory<T, U>::value - , boost::true_type, boost::false_type>::type -{}; - -} // namespace optional_detail - -template<class T> -class optional : public optional_detail::optional_base<T> -{ - typedef optional_detail::optional_base<T> base ; - - public : - - typedef optional<T> this_type ; - - typedef BOOST_DEDUCED_TYPENAME base::value_type value_type ; - typedef BOOST_DEDUCED_TYPENAME base::reference_type reference_type ; - typedef BOOST_DEDUCED_TYPENAME base::reference_const_type reference_const_type ; -#ifndef BOOST_OPTIONAL_DETAIL_NO_RVALUE_REFERENCES - typedef BOOST_DEDUCED_TYPENAME base::rval_reference_type rval_reference_type ; - typedef BOOST_DEDUCED_TYPENAME base::reference_type_of_temporary_wrapper reference_type_of_temporary_wrapper ; -#endif - typedef BOOST_DEDUCED_TYPENAME base::pointer_type pointer_type ; - typedef BOOST_DEDUCED_TYPENAME base::pointer_const_type pointer_const_type ; - typedef BOOST_DEDUCED_TYPENAME base::argument_type argument_type ; - - // Creates an optional<T> uninitialized. - // No-throw - optional() BOOST_NOEXCEPT : base() {} - - // Creates an optional<T> uninitialized. - // No-throw - optional( none_t none_ ) BOOST_NOEXCEPT : base(none_) {} - - // Creates an optional<T> initialized with 'val'. - // Can throw if T::T(T const&) does - optional ( argument_type val ) : base(val) {} - -#ifndef BOOST_OPTIONAL_DETAIL_NO_RVALUE_REFERENCES - // Creates an optional<T> initialized with 'move(val)'. - // Can throw if T::T(T &&) does - optional ( rval_reference_type val ) : base( boost::forward<T>(val) ) - {} -#endif - - // Creates an optional<T> initialized with 'val' IFF cond is true, otherwise creates an uninitialized optional. - // Can throw if T::T(T const&) does - optional ( bool cond, argument_type val ) : base(cond,val) {} - - // NOTE: MSVC needs templated versions first - - // Creates a deep copy of another convertible optional<U> - // Requires a valid conversion from U to T. - // Can throw if T::T(U const&) does - template<class U> - explicit optional ( optional<U> const& rhs -#ifndef BOOST_OPTIONAL_DETAIL_NO_SFINAE_FRIENDLY_CONSTRUCTORS - ,typename boost::enable_if< optional_detail::is_optional_constructible<T, U const&> >::type* = 0 -#endif - ) - : - base() - { - if ( rhs.is_initialized() ) - this->construct(rhs.get()); - } - -#ifndef BOOST_OPTIONAL_DETAIL_NO_RVALUE_REFERENCES - // Creates a deep move of another convertible optional<U> - // Requires a valid conversion from U to T. - // Can throw if T::T(U&&) does - template<class U> - explicit optional ( optional<U> && rhs -#ifndef BOOST_OPTIONAL_DETAIL_NO_SFINAE_FRIENDLY_CONSTRUCTORS - ,typename boost::enable_if< optional_detail::is_optional_constructible<T, U> >::type* = 0 -#endif - ) - : - base() - { - if ( rhs.is_initialized() ) - this->construct( boost::move(rhs.get()) ); - } -#endif - -#ifndef BOOST_OPTIONAL_NO_INPLACE_FACTORY_SUPPORT - // Creates an optional<T> with an expression which can be either - // (a) An instance of InPlaceFactory (i.e. in_place(a,b,...,n); - // (b) An instance of TypedInPlaceFactory ( i.e. in_place<T>(a,b,...,n); - // (c) Any expression implicitly convertible to the single type - // of a one-argument T's constructor. - // (d*) Weak compilers (BCB) might also resolved Expr as optional<T> and optional<U> - // even though explicit overloads are present for these. - // Depending on the above some T ctor is called. - // Can throw if the resolved T ctor throws. -#ifndef BOOST_OPTIONAL_DETAIL_NO_RVALUE_REFERENCES - - - template<class Expr> - explicit optional ( Expr&& expr, - BOOST_DEDUCED_TYPENAME boost::enable_if< optional_detail::is_optional_val_init_candidate<T, Expr> >::type* = 0 - ) - : base(boost::forward<Expr>(expr),boost::addressof(expr)) - {} - -#else - template<class Expr> - explicit optional ( Expr const& expr ) : base(expr,boost::addressof(expr)) {} -#endif // !defined BOOST_OPTIONAL_DETAIL_NO_RVALUE_REFERENCES -#endif // !defined BOOST_OPTIONAL_NO_INPLACE_FACTORY_SUPPORT - - // Creates a deep copy of another optional<T> - // Can throw if T::T(T const&) does - optional ( optional const& rhs ) : base( static_cast<base const&>(rhs) ) {} - -#ifndef BOOST_OPTIONAL_DETAIL_NO_RVALUE_REFERENCES - // Creates a deep move of another optional<T> - // Can throw if T::T(T&&) does - optional ( optional && rhs ) - BOOST_NOEXCEPT_IF(::boost::is_nothrow_move_constructible<T>::value) - : base( boost::move(rhs) ) - {} - -#endif - -#if BOOST_WORKAROUND(_MSC_VER, <= 1600) - // On old MSVC compilers the implicitly declared dtor is not called - ~optional() {} -#endif - - -#if !defined(BOOST_OPTIONAL_NO_INPLACE_FACTORY_SUPPORT) && !defined(BOOST_OPTIONAL_WEAK_OVERLOAD_RESOLUTION) - // Assigns from an expression. See corresponding constructor. - // Basic Guarantee: If the resolved T ctor throws, this is left UNINITIALIZED -#ifndef BOOST_OPTIONAL_DETAIL_NO_RVALUE_REFERENCES - - template<class Expr> - BOOST_DEDUCED_TYPENAME boost::enable_if<optional_detail::is_optional_val_init_candidate<T, Expr>, optional&>::type - operator= ( Expr&& expr ) - { - this->assign_expr(boost::forward<Expr>(expr),boost::addressof(expr)); - return *this ; - } - -#else - template<class Expr> - optional& operator= ( Expr const& expr ) - { - this->assign_expr(expr,boost::addressof(expr)); - return *this ; - } -#endif // !defined BOOST_OPTIONAL_DETAIL_NO_RVALUE_REFERENCES -#endif // !defined(BOOST_OPTIONAL_NO_INPLACE_FACTORY_SUPPORT) && !defined(BOOST_OPTIONAL_WEAK_OVERLOAD_RESOLUTION) - - // Copy-assigns from another convertible optional<U> (converts && deep-copies the rhs value) - // Requires a valid conversion from U to T. - // Basic Guarantee: If T::T( U const& ) throws, this is left UNINITIALIZED - template<class U> - optional& operator= ( optional<U> const& rhs ) - { - this->assign(rhs); - return *this ; - } - -#ifndef BOOST_OPTIONAL_DETAIL_NO_RVALUE_REFERENCES - // Move-assigns from another convertible optional<U> (converts && deep-moves the rhs value) - // Requires a valid conversion from U to T. - // Basic Guarantee: If T::T( U && ) throws, this is left UNINITIALIZED - template<class U> - optional& operator= ( optional<U> && rhs ) - { - this->assign(boost::move(rhs)); - return *this ; - } -#endif - - // Assigns from another optional<T> (deep-copies the rhs value) - // Basic Guarantee: If T::T( T const& ) throws, this is left UNINITIALIZED - // (NOTE: On BCB, this operator is not actually called and left is left UNMODIFIED in case of a throw) - optional& operator= ( optional const& rhs ) - { - this->assign( static_cast<base const&>(rhs) ) ; - return *this ; - } - -#ifndef BOOST_OPTIONAL_DETAIL_NO_RVALUE_REFERENCES - // Assigns from another optional<T> (deep-moves the rhs value) - optional& operator= ( optional && rhs ) - BOOST_NOEXCEPT_IF(::boost::is_nothrow_move_constructible<T>::value && ::boost::is_nothrow_move_assignable<T>::value) - { - this->assign( static_cast<base &&>(rhs) ) ; - return *this ; - } -#endif - -#ifndef BOOST_NO_CXX11_UNIFIED_INITIALIZATION_SYNTAX - - // Assigns from a T (deep-moves/copies the rhs value) - template <typename T_> - BOOST_DEDUCED_TYPENAME boost::enable_if<boost::is_same<T, BOOST_DEDUCED_TYPENAME boost::decay<T_>::type>, optional&>::type - operator= ( T_&& val ) - { - this->assign( boost::forward<T_>(val) ) ; - return *this ; - } - -#else - - // Assigns from a T (deep-copies the rhs value) - // Basic Guarantee: If T::( T const& ) throws, this is left UNINITIALIZED - optional& operator= ( argument_type val ) - { - this->assign( val ) ; - return *this ; - } - -#ifndef BOOST_OPTIONAL_DETAIL_NO_RVALUE_REFERENCES - // Assigns from a T (deep-moves the rhs value) - optional& operator= ( rval_reference_type val ) - { - this->assign( boost::move(val) ) ; - return *this ; - } -#endif - -#endif // BOOST_NO_CXX11_UNIFIED_INITIALIZATION_SYNTAX - - // Assigns from a "none" - // Which destroys the current value, if any, leaving this UNINITIALIZED - // No-throw (assuming T::~T() doesn't) - optional& operator= ( none_t none_ ) BOOST_NOEXCEPT - { - this->assign( none_ ) ; - return *this ; - } - -#if (!defined BOOST_OPTIONAL_DETAIL_NO_RVALUE_REFERENCES) && (!defined BOOST_NO_CXX11_VARIADIC_TEMPLATES) - // Constructs in-place - // upon exception *this is always uninitialized - template<class... Args> - void emplace ( Args&&... args ) - { - this->emplace_assign( boost::forward<Args>(args)... ); - } - - template<class... Args> - explicit optional ( in_place_init_t, Args&&... args ) - : base( in_place_init, boost::forward<Args>(args)... ) - {} - - template<class... Args> - explicit optional ( in_place_init_if_t, bool cond, Args&&... args ) - : base( in_place_init_if, cond, boost::forward<Args>(args)... ) - {} - -#elif (!defined BOOST_OPTIONAL_DETAIL_NO_RVALUE_REFERENCES) - template<class Arg> - void emplace ( Arg&& arg ) - { - this->emplace_assign( boost::forward<Arg>(arg) ); - } - - void emplace () - { - this->emplace_assign(); - } - - template<class Args> - explicit optional ( in_place_init_t, Args&& args ) - : base( in_place_init, boost::forward<Args>(args) ) - {} - - explicit optional ( in_place_init_t ) - : base( in_place_init ) - {} - - template<class Args> - explicit optional ( in_place_init_if_t, bool cond, Args&& args ) - : base( in_place_init_if, cond, boost::forward<Args>(args) ) - {} - - explicit optional ( in_place_init_if_t, bool cond ) - : base( in_place_init_if, cond ) - {} -#else - template<class Arg> - void emplace ( const Arg& arg ) - { - this->emplace_assign( arg ); - } - - template<class Arg> - void emplace ( Arg& arg ) - { - this->emplace_assign( arg ); - } - - void emplace () - { - this->emplace_assign(); - } - - template<class Arg> - explicit optional ( in_place_init_t, const Arg& arg ) - : base( in_place_init, arg ) - {} - - template<class Arg> - explicit optional ( in_place_init_t, Arg& arg ) - : base( in_place_init, arg ) - {} - - explicit optional ( in_place_init_t ) - : base( in_place_init ) - {} - - template<class Arg> - explicit optional ( in_place_init_if_t, bool cond, const Arg& arg ) - : base( in_place_init_if, cond, arg ) - {} - - template<class Arg> - explicit optional ( in_place_init_if_t, bool cond, Arg& arg ) - : base( in_place_init_if, cond, arg ) - {} - - explicit optional ( in_place_init_if_t, bool cond ) - : base( in_place_init_if, cond ) - {} -#endif - - void swap( optional & arg ) - BOOST_NOEXCEPT_IF(::boost::is_nothrow_move_constructible<T>::value && ::boost::is_nothrow_move_assignable<T>::value) - { - // allow for Koenig lookup - boost::swap(*this, arg); - } - - - // Returns a reference to the value if this is initialized, otherwise, - // the behaviour is UNDEFINED - // No-throw - reference_const_type get() const { BOOST_ASSERT(this->is_initialized()) ; return this->get_impl(); } - reference_type get() { BOOST_ASSERT(this->is_initialized()) ; return this->get_impl(); } - - // Returns a copy of the value if this is initialized, 'v' otherwise - reference_const_type get_value_or ( reference_const_type v ) const { return this->is_initialized() ? get() : v ; } - reference_type get_value_or ( reference_type v ) { return this->is_initialized() ? get() : v ; } - - // Returns a pointer to the value if this is initialized, otherwise, - // the behaviour is UNDEFINED - // No-throw - pointer_const_type operator->() const { BOOST_ASSERT(this->is_initialized()) ; return this->get_ptr_impl() ; } - pointer_type operator->() { BOOST_ASSERT(this->is_initialized()) ; return this->get_ptr_impl() ; } - - // Returns a reference to the value if this is initialized, otherwise, - // the behaviour is UNDEFINED - // No-throw -#if (!defined BOOST_NO_CXX11_REF_QUALIFIERS) && (!defined BOOST_OPTIONAL_DETAIL_NO_RVALUE_REFERENCES) - reference_const_type operator *() const& { return this->get() ; } - reference_type operator *() & { return this->get() ; } - reference_type_of_temporary_wrapper operator *() && { return boost::move(this->get()) ; } -#else - reference_const_type operator *() const { return this->get() ; } - reference_type operator *() { return this->get() ; } -#endif // !defined BOOST_NO_CXX11_REF_QUALIFIERS - -#if (!defined BOOST_NO_CXX11_REF_QUALIFIERS) && (!defined BOOST_OPTIONAL_DETAIL_NO_RVALUE_REFERENCES) - reference_const_type value() const& - { - if (this->is_initialized()) - return this->get() ; - else - throw_exception(bad_optional_access()); - } - - reference_type value() & - { - if (this->is_initialized()) - return this->get() ; - else - throw_exception(bad_optional_access()); - } - - reference_type_of_temporary_wrapper value() && - { - if (this->is_initialized()) - return boost::move(this->get()) ; - else - throw_exception(bad_optional_access()); - } - -#else - reference_const_type value() const - { - if (this->is_initialized()) - return this->get() ; - else - throw_exception(bad_optional_access()); - } - - reference_type value() - { - if (this->is_initialized()) - return this->get() ; - else - throw_exception(bad_optional_access()); - } -#endif - - -#ifndef BOOST_NO_CXX11_REF_QUALIFIERS - template <class U> - value_type value_or ( U&& v ) const& - { - if (this->is_initialized()) - return get(); - else - return boost::forward<U>(v); - } - - template <class U> - value_type value_or ( U&& v ) && - { - if (this->is_initialized()) - return boost::move(get()); - else - return boost::forward<U>(v); - } -#elif !defined BOOST_OPTIONAL_DETAIL_NO_RVALUE_REFERENCES - template <class U> - value_type value_or ( U&& v ) const - { - if (this->is_initialized()) - return get(); - else - return boost::forward<U>(v); - } -#else - template <class U> - value_type value_or ( U const& v ) const - { - if (this->is_initialized()) - return get(); - else - return v; - } - - template <class U> - value_type value_or ( U& v ) const - { - if (this->is_initialized()) - return get(); - else - return v; - } -#endif - - -#ifndef BOOST_NO_CXX11_REF_QUALIFIERS - template <typename F> - value_type value_or_eval ( F f ) const& - { - if (this->is_initialized()) - return get(); - else - return f(); - } - - template <typename F> - value_type value_or_eval ( F f ) && - { - if (this->is_initialized()) - return boost::move(get()); - else - return f(); - } -#else - template <typename F> - value_type value_or_eval ( F f ) const - { - if (this->is_initialized()) - return get(); - else - return f(); - } -#endif - - bool operator!() const BOOST_NOEXCEPT { return !this->is_initialized() ; } - - BOOST_EXPLICIT_OPERATOR_BOOL_NOEXCEPT() -} ; - -} // namespace boost - -#endif // BOOST_OPTIONAL_CONFIG_USE_OLD_IMPLEMENTATION_OF_OPTIONAL - -namespace boost { - -#ifndef BOOST_OPTIONAL_DETAIL_NO_RVALUE_REFERENCES -template<class T> -class optional<T&&> -{ - BOOST_STATIC_ASSERT_MSG(sizeof(T) == 0, "Optional rvalue references are illegal."); -} ; -#endif - -} // namespace boost - -#ifndef BOOST_OPTIONAL_CONFIG_DONT_SPECIALIZE_OPTIONAL_REFS -# include <boost/optional/detail/optional_reference_spec.hpp> -#endif - -namespace boost { - -// Returns optional<T>(v) -template<class T> -inline -optional<T> make_optional ( T const& v ) -{ - return optional<T>(v); -} - -// Returns optional<T>(cond,v) -template<class T> -inline -optional<T> make_optional ( bool cond, T const& v ) -{ - return optional<T>(cond,v); -} - -// Returns a reference to the value if this is initialized, otherwise, the behaviour is UNDEFINED. -// No-throw -template<class T> -inline -BOOST_DEDUCED_TYPENAME optional<T>::reference_const_type -get ( optional<T> const& opt ) -{ - return opt.get() ; -} - -template<class T> -inline -BOOST_DEDUCED_TYPENAME optional<T>::reference_type -get ( optional<T>& opt ) -{ - return opt.get() ; -} - -// Returns a pointer to the value if this is initialized, otherwise, returns NULL. -// No-throw -template<class T> -inline -BOOST_DEDUCED_TYPENAME optional<T>::pointer_const_type -get ( optional<T> const* opt ) -{ - return opt->get_ptr() ; -} - -template<class T> -inline -BOOST_DEDUCED_TYPENAME optional<T>::pointer_type -get ( optional<T>* opt ) -{ - return opt->get_ptr() ; -} - -// Returns a reference to the value if this is initialized, otherwise, the behaviour is UNDEFINED. -// No-throw -template<class T> -inline -BOOST_DEDUCED_TYPENAME optional<T>::reference_const_type -get_optional_value_or ( optional<T> const& opt, BOOST_DEDUCED_TYPENAME optional<T>::reference_const_type v ) -{ - return opt.get_value_or(v) ; -} - -template<class T> -inline -BOOST_DEDUCED_TYPENAME optional<T>::reference_type -get_optional_value_or ( optional<T>& opt, BOOST_DEDUCED_TYPENAME optional<T>::reference_type v ) -{ - return opt.get_value_or(v) ; -} - -// Returns a pointer to the value if this is initialized, otherwise, returns NULL. -// No-throw -template<class T> -inline -BOOST_DEDUCED_TYPENAME optional<T>::pointer_const_type -get_pointer ( optional<T> const& opt ) -{ - return opt.get_ptr() ; -} - -template<class T> -inline -BOOST_DEDUCED_TYPENAME optional<T>::pointer_type -get_pointer ( optional<T>& opt ) -{ - return opt.get_ptr() ; -} - -} // namespace boost - -namespace boost { - -// The following declaration prevents a bug where operator safe-bool is used upon streaming optional object if you forget the IO header. -template<class CharType, class CharTrait> -std::basic_ostream<CharType, CharTrait>& -operator<<(std::basic_ostream<CharType, CharTrait>& os, optional_detail::optional_tag const&) -{ - BOOST_STATIC_ASSERT_MSG(sizeof(CharType) == 0, "If you want to output boost::optional, include header <boost/optional/optional_io.hpp>"); - return os; -} - -} // namespace boost - -#include <boost/optional/detail/optional_relops.hpp> -#include <boost/optional/detail/optional_swap.hpp> - -#endif // header guard |