topic "One";
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[{_} 
[ {{10000@(113.42.0) [s0;%% [*@7;4 One]]}}&]
[s3; &]
[s1;:noref: [@(0.0.255)3 template][3 _<][@(0.0.255)3 class][3 _][*@4;3 T][@(0.0.255)3 >]&]
[s1;:One`:`:class: [@(0.0.255) class]_[* One]_:_[@(0.0.255) private]_[*@3 MoveableAndDeepCopyO
ption][@(0.0.255) <]_[* One][@(0.0.255) <][*@4 T][@(0.0.255) >]_>_&]
[s8;%% [%-*C@4 T]-|Type or base class of element stored in One.&]
[s0;%% &]
[s9;%% One is a container capable of containing none or single element 
of type specified as template argument or derived from it.&]
[s9;%% One is [*/^topic`:`/`/Core`/srcdoc`/Moveable`$en`-us^ moveable][*/  
]type with [*/^topic`:`/`/Core`/srcdoc`/pick`_`$en`-us^ pick and 
optional deep copy] transfer semantics. Calling methods of picked 
One is logic error with exception of:&]
[s0;%% &]
[s0;%% [C+75 void ][*C+75 operator`=][C+75 (pick`_ One`& ][*C@3+75 v][C+75 )]&]
[s0;%% [C+75 void ][*C+75 operator<<`=][C+75 (const One`& ][*C@3+75 v][C+75 ) 
][/C+75 (defined using DeepCopyOption template base class)]&]
[s3; &]
[s0; &]
[ {{10000F(128)G(128)@1 [s0;%% [* Constructor List]]}}&]
[s0;0 &]
[s5;:One`:`:One`(`): [* One]()&]
[s2;%% Default constructor. Constructs empty One.&]
[s3; &]
[s4; &]
[s5;:One`:`:One`(T`*`): [* One]([*@4 T]_`*[*@3 newt])&]
[s2;%% Constructs One with content. Content is specified by pointer 
to object created using operator new. One takes over ownership 
of this this object. &]
[s7;%% [%-*@3 newt]-|Object to be added.&]
[s3;%% &]
[s4; &]
[s5;:One`:`:One`(pick`_ One`<T`>`&`): [* One]([@(0.128.128) pick`_]_[* One][@(0.0.255) <][*@4 T
][@(0.0.255) >`&]_[*@3 p])&]
[s2;%% Pick constructor. Transfers source [* One] [%-*@3 p ]in low constant 
time, but destroys it by picking.&]
[s3;%% &]
[s4; &]
[s5;:One`:`:One`(const One`<T`>`&`,int`): [* One]([@(0.0.255) const]_[* One][@(0.0.255) <][*@4 T
][@(0.0.255) >`&]_[*@3 p], [@(0.0.255) int])&]
[s6;%% Optional deep copy constructor.&]
[s2;%% Requires T to have deep copy constructor or optional deep 
copy constructor.&]
[s3;%% &]
[s4; &]
[s5;:One`:`:`~One`(`): [@(0.0.255) `~][* One]()&]
[s2;%% Default destructor.&]
[s3; &]
[s1;%% &]
[ {{10000F(128)G(128)@1 [s0;%% [* Method List]]}}&]
[s0;0 &]
[s5;:One`:`:Clear`(`): [@(0.0.255) void]_[* Clear]()&]
[s2; Removes the element stored in [* One].&]
[s3; &]
[s4; &]
[s5;:One`:`:IsPicked`(`)const: [@(0.0.255) bool]_[* IsPicked]()_[@(0.0.255) const]&]
[s2;%% Returns [* true] if [* One] has been picked.&]
[s3;%% &]
[s4; &]
[s5;:One`:`:Attach`(T`*`): [@(0.0.255) void]_[* Attach]([*@4 T]_`*[*@3 data])&]
[s2;%% Assigns element to One. (Note: if there is content in One while 
calling this function, it is destroyed).&]
[s7;%% [%-*C@3 data]-|Pointer to the new element created using operator 
new.&]
[s3; &]
[s4; &]
[s5;:One`:`:Detach`(`)pick`_: [*@4 T]_`*[* Detach]()_[@(0.128.128) pick`_]&]
[s2;%% Removes content giving up ownership. Client is responsible 
for deletion of content.&]
[s7;%% [*/ Return value]-|Pointer to the content allocated on the heap.&]
[s3; &]
[s4; &]
[s5;:One`:`:operator`-`(`)pick`_: [*@4 T]_`*[* operator`-]()_[@(0.128.128) pick`_]&]
[s2;%% Same as Detach() (operator version).&]
[s7;%% [*/ Return value]-|Pointer to the content allocated on the heap.&]
[s3; &]
[s4; &]
[s5;:One`:`:operator`=`(T`*`): [@(0.0.255) void]_[* operator`=]([*@4 T]_`*[*@3 data])&]
[s2;%% Same as Attach(data) (operator version).&]
[s7;%% [%-*C@3 data]-|Pointer to the new element created using operator 
new.&]
[s3; &]
[s4; &]
[s5;:One`:`:operator`=`(pick`_ One`<T`>`&`): [@(0.0.255) void]_[* operator`=]([@(0.128.128) p
ick`_]_[_^One^ One][@(0.0.255) <][*@4 T][@(0.0.255) >`&]_[*@3 d])&]
[s2;%% Pick operator. Transfers source One in low constant time, 
but destroys it by picking.&]
[s7;%% [%-*C@3 d]-|Source One.&]
[s3; &]
[s4; &]
[s5;:One`:`:operator`-`>`(`)const: [@(0.0.255) const]_[*@4 T]_`*[* operator`->]()_[@(0.0.255) c
onst]&]
[s2;%% Constant content access operator. Illegal if there is no content.&]
[s7;%% [*/ Return value]-|Returns constant pointer to content.&]
[s3; &]
[s4; &]
[s5;:One`:`:operator`-`>`(`): [*@4 T]_`*[* operator`->]()&]
[s2;%% Content access operator. Illegal if there is no content.&]
[s7;%% [*/ Return value]-|Returns pointer to content.&]
[s3; &]
[s4; &]
[s5;:One`:`:operator`~`(`)const: [@(0.0.255) const]_[*@4 T]_`*[* operator`~]()_[@(0.0.255) co
nst]&]
[s2;%% Constant content pointer access.&]
[s7;%% [*/ Return value]-|Returns constant pointer to content or NULL 
when there is no content.&]
[s3; &]
[s4; &]
[s5;:One`:`:operator`~`(`): [*@4 T]_`*[* operator`~]()&]
[s2;%% Content pointer access.&]
[s7;%% [*/ Return value]-|Returns pointer to content or NULL when there 
is no content.&]
[s3; &]
[s4; &]
[s5;:One`:`:operator`*`(`)const: [@(0.0.255) const]_[*@4 T][@(0.0.255) `&]_[* operator`*]()_[@(0.0.255) c
onst]&]
[s2;%% Content constant reference access. Illegal if there is no 
content.&]
[s7;%% [*/ Return value]-|Constant reference to content.&]
[s3; &]
[s4; &]
[s5;:One`:`:operator`*`(`): [*@4 T][@(0.0.255) `&]_[* operator`*]()&]
[s2;%% Content reference access. Illegal if there is no content.&]
[s7;%% [*/ Return value]-|Reference to content.&]
[s3; &]
[s4; &]
[s5;:One`:`:Create`(`): [@(0.0.255) template]_<[@(0.0.255) class]_[*@4 TT][@(0.0.255) >]_[*@4 T
T][@(0.0.255) `&]_[* Create]()&]
[s2;%% Creates content in One. (Note: if there is content in One while 
calling this function, it is destroyed).&]
[s7;%% [*C@4 TT]-|Type of content. Must be equal to T or derived from 
it.&]
[s7;%% [*/ Return value]-|Reference to actual content (of type TT).&]
[s3; &]
[s4; &]
[s5;:One`:`:IsEmpty`(`)const: [@(0.0.255) bool]_[* IsEmpty]()_[@(0.0.255) const]&]
[s2;%% Returns [* true] if there is no content.&]
[s3; &]
[s4; &]
[s5;:One`:`:operator bool`(`)const: [* operator_bool]()_[@(0.0.255) const]&]
[s2;%% Returns [* true] if there is content.&]
[s3;%% &]
[s0; ]