Is there an equivalent to the C# “var” keyword in C++/CLI?
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18-09-2019 - |
Question
In C#, I like the var
keyword for situations like this:
var myList = new List<MyType>();
Is there any equivalent in C++/CLI, or do I have to repeat the type name everytime just like this:
List<MyType ^>^ myList = gcnew List<MyType ^>();
Could not find an explicit statement in the docs or by Google so far. I am using Visual Studio 2008.
Solution
In Visual Studio 2008 there is no such equivalent. However with Visual Studio 2010 you can use the auto
keyword to implement var
like semantics in C++. I know this works with non-managed C++ and I'm fairly certain it works for C++/CLI as well.
OTHER TIPS
I know that type inference is envisioned in the C++1x standard:
auto someStrangeCallableType = boost::bind(&SomeFunction, _2, _1, someObject);
auto otherVariable = 5;
Currently, AFAIK, there is no equivalent.
C++ has typedef. Just alias those hairy types with a typedef, and use the friendly name.
No, there's no "var" keyword. Vaguely recall there's something to that effect in boost.
C++0x is going to have an auto keyword: http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2004/n1705.pdf