Templates Error

creativeinspiration

Hey guys,
Here is what I am doing:

Code:

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template <typename T>

void func(vector<T> vec)

{

 ..

 ..

 ..

}

Now when I call this function as func<somestruct>(st); I get a compile time error? I am I calling the function wrongly?

gpraghuram

Quote:

Originally Posted by creativeinspiration

Hey guys,
Here is what I am doing:

Code:

Expand|Select|Wrap|Line Numbers

 
template <typename T>

void func(vector<T> vec)

{

 ..

 ..

 ..

}

Now when I call this function as func<somestruct>(st); I get a compile time error? I am I calling the function wrongly?

Hi,
I tried something similar and it worked well.

Expand|Select|Wrap|Line Numbers

 
template<typename T>

void func(vector<T> vec)

{

}
 
int main()

{

    vector<int> f1;

    func(f1);

}

Raghuram

creativeinspiration

When I move the function to the same file it compiles fine. Is there a way I can keep this function in a .h file?

Darryl

Quote:

Originally Posted by creativeinspiration

When I move the function to the same file it compiles fine. Is there a way I can keep this function in a .h file?

If you use the Comeau Compiler, you could use the export keyword, otherwise and unfortunately, most other compiler makers have chosen not to implement it and therefore your template definitions must be in a single file.

weaknessforcats

Quote:

Originally Posted by Darryl

Comeau Compiler, you could use the export keyword,

Really? This is the first I've heard that any compiler supports export templates.

Quote:

Originally Posted by creativeinspiration

When I move the function to the same file it compiles fine. Is there a way I can keep this function in a .h file?

Put your templates in a header file and include the header as needed.

Templates Error

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