Programming-Idioms

Edit summary for version 38 by programming-idioms.org:
[Cpp] Variable name items. No comments in snippet. No sample value.

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2019-09-08, 14:57:53

2019-09-09, 09:06:40

Idiom #165 Last element of list

Assign to variable x the last element of list items.

Assign to variable x the last element of list items.

#include<vector>

#include<vector>

// create list of numbers
std::vector<int> numbers{ 1,2,3,4,5,6 };
auto last = numbers.crend() != numbers.crbegin() ? *numbers.crbegin() : -1;

std::vector<int> numbers;
auto last = numbers.crend() != numbers.crbegin() ? *numbers.crbegin() : -1;

Use iterators to iterate through containers

Use iterators to iterate through containers

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