Table of Contents
Can an array be returned from a function?
Although functions cannot return arrays, arrays can be wrapped in structs and the function can return the struct thereby carrying the array with it.
When you return an array name from a function what is actually being returned?
For std::array in C++, returning the array name from a function actually translates into the the whole array being returned to the site of the function call. Hence it is clear from the output, that the array return by the function func() was successful.
Why can’t functions return arrays?
4 Answers. A naked array type in C language is not copyable for primarily historical reasons. For this reason it is not possible to initialize arrays with arrays, assign arrays to arrays, pass arrays by value as parameters or return arrays from functions.
How do I return an array pointer in C++?
Return Pointer to Array in C++
- Use int var[n] Notation to Pass the Array Argument to Function and Then Return in C++
- Use int* var Notation to Pass the Array Argument to Function and Then Return in C++
How do you return a list in C++?
list back() function in C++ STL. The list::back() function in C++ STL returns a direct reference to the last element in the list container. This function is different from the list::end() function as the end() function returns only the iterator to the last element.
How can a function return a function?
Assigning a variable to a function (without the parenthesis) copies the reference to the function. Putting the parenthesis at the end of a function name, calls the function, returning the functions return value.
Can function return pointer C++?
New answer to new question: You cannot return pointer to automatic variable ( int c[5] ) from the function. Automatic variable ends its lifetime with return enclosing block (function in this case) – so you are returning pointer to not existing array.
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