error with std::array and VS2015

Question

I have code that I wrote quite a while ago, and I don't do that much 'C++' these days. I've compiled the code with no issues in 'Visual C++ 2010 Express'. I've compiled it in vs2015 and I get an error with the 'std::array'. Could someone be kind enough to explain my error.

This compiled ok in 'Visual C++ 2010 Express'

// create arrays to hold port write data
array<DataChunk>^ dataArray = gcnew array<DataChunk>(1008);

But compiled in vs2015 with the error:

1>c:\users\carl\desktop\pond control\pond control\Form1.h(1199): error C2976: 'std::array': too few template arguments

1>  C:\Program Files\Microsoft Visual Studio 14.0\VC\include\utility(306): note: see declaration of 'std::array'

Any help would be most appreciated.

^ or *: array<DataChunk>* dataArray

911
– 911

2015-05-22 11:29:42 +00:00
Commented May 22, 2015 at 11:29 — 911
– 911, Commented May 22, 2015 at 11:29
try: array<DataChunk, 1008>;

911
– 911

2015-05-22 11:31:04 +00:00
Commented May 22, 2015 at 11:31 — 911
– 911, Commented May 22, 2015 at 11:31

unexpectedvalue · Accepted Answer · 2015-05-22 12:12:51Z

1

std::array is a container data type that encapsulates "regular" fixed-size arrays. You need to provide the array size as a template parameter:

auto dataArray = gcnew array<DataChunk,1008>();

answered May 22, 2015 at 12:12

unexpectedvalue

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2 Comments

fatmanming Over a year ago

I've tried that and it comes up with 'Error:incomplete type is not allowed', at the array declaration after gcnew.

fatmanming Over a year ago

I've installed VS2013 and it compiles ok in that. It must be the libraries in the vs2015 ?

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