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fill() is a member function of "array container", which sets a given value to all array elements. It can also be used to set the value to other of containers also. Value type should be same as container type.

fill()是“數組容器”的成員函數，它為所有數組元素設置一個給定值。 也可以將其設置為其他容器的值。 值類型應與容器類型相同。

For example – if an array is an integer type then provided value should be an integer type. If we provide other type of fill value, implicit cast type will be applied.

例如 –如果數組是整數類型，則提供的值應該是整數類型。 如果我們提供其他類型的填充值，則將應用隱式強制類型。

Syntax:

句法：

    arr_name.fill(value);

Program:

程序：

#include <iostream>
#include <array>
using namespace std;
int main() 
{
//declaring array with dynamic size
array<int,5> arr;
//print array elements with default values
cout<<"Array elements with default values:\n";
for (auto loop = arr.begin() ; loop != arr.end() ; ++loop)
cout<<*loop<<" ";
cout<<"\n";
//fill array element with 0
arr.fill (0);
//AGAIN...
//print array element with default values
cout<<"Array elements after filling with 0:\n";
for (auto loop = arr.begin() ; loop != arr.end() ; ++loop)
cout<<*loop<<" ";
cout<<"\n";
//fill array element with 0 
arr.fill (36);
//AGAIN...
//print array element with default values
cout<<"Array elements after filling with 36:\n";
for (auto loop = arr.begin() ; loop != arr.end() ; ++loop)
cout<<*loop<<" ";
cout<<"\n";
return 0;
}

Output

輸出量

Array elements with default values:
142 0 0 0 994036560 
Array elements after filling with 0:
0 0 0 0 0 
Array elements after filling with 36:
36 36 36 36 36 

Reference: C++ std::array::fill()

參考： C ++ std :: array :: fill()

翻譯自: https://www.includehelp.com/stl/array-fill-in-cpp-stl.aspx

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