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Core: One::Is<TT>() const

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git-svn-id: svn://ultimatepp.org/upp/trunk@7529 f0d560ea-af0d-0410-9eb7-867de7ffcac7
This commit is contained in:
cxl 2014-07-22 10:57:50 +00:00
parent 6f946fedb6
commit ffdaa8f26a
2 changed files with 10 additions and 1 deletions
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3
uppsrc/Core/Other.h
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@ -48,6 +48,9 @@ public:
TT& Create() { TT *q = new TT; Attach(q); return *q; }
T& Create() { T *q = new T; Attach(q); return *q; }
template <class TT>
bool Is() const { return dynamic_cast<const TT *>(ptr); }
bool IsPicked() const { return ptr == (T*)1; }
bool IsEmpty() const { Chk(); return !ptr; }

8
uppsrc/Core/src.tpp/One$en-us.tpp
View file

@ -145,6 +145,12 @@ it.&]
[s7;%% [*/ Return value]-|Reference to actual content (of type TT).&]
[s3; &]
[s4; &]
[s5;:One`:`:Is`(`)const: [@(0.0.255) template]_<[@(0.0.255) class]_[*@4 TT]>_[@(0.0.255) bool
]_[* Is]()_[@(0.0.255) const]&]
[s2;%% Returns true if One contains object of type [%-*@4 TT] or derived
from [%-*@4 TT]. [%-*@4 T] must be polymorphic.&]
[s3; &]
[s4; &]
[s5;:One`:`:IsEmpty`(`)const: [@(0.0.255) bool]_[* IsEmpty]()_[@(0.0.255) const]&]
[s2;%% Returns [* true] if there is no content.&]
[s3; &]
@ -152,4 +158,4 @@ it.&]
[s5;:One`:`:operator bool`(`)const: [* operator_bool]()_[@(0.0.255) const]&]
[s2;%% Returns [* true] if there is content.&]
[s3;%% &]
[s0; ]
[s0; ]]