stl标准模板库_C ++标准模板库(STL)中的array :: fill()
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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(shù)組容器”的成員函數(shù),它為所有數(shù)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(shù)組是整數(shù)類型,則提供的值應該是整數(shù)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 sizearray<int,5> arr;//print array elements with default valuescout<<"Array elements with default values:\n";for (auto loop = arr.begin() ; loop != arr.end() ; ++loop)cout<<*loop<<" ";cout<<"\n";//fill array element with 0arr.fill (0);//AGAIN...//print array element with default valuescout<<"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 valuescout<<"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 36Reference: 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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