Is for statement a range-based?

Remarks. Use the range-based for statement to construct loops that must execute through a range, which is defined as anything that you can iterate through—for example, std::vector , or any other C++ Standard Library sequence whose range is defined by a begin() and end() .

What is range-based for loop?

Range-based for loop in C++ is added since C++ 11. It executes a for loop over a range. Used as a more readable equivalent to the traditional for loop operating over a range of values, such as all elements in a container. loop_statement : any statement, typically a compound statement, which is the body of the loop.

What is the main advantage to a range-based for loop?

Advantages of range-based for Easy to use and simple syntax. No need to calculate the number of elements in container or size of range-expression. If data type of range-declaration is not known then auto specifier can be used in its place, that automatically makes it compatible with range-expression’s type.

Are range-based for loops faster?

Range-for is as fast as possible since it caches the end iterator[citation provided], uses pre-increment and only dereferences the iterator once. Then, yes, range-for may be slightly faster, since it’s also easier to write there’s no reason not to use it (when appropriate).

What is the purpose of GCCA in numbers?

The GCCA gathers and publishes key data recording the industry’s sustainability commitments. The GNR (“Getting the Numbers Right” or “GCCA in NumbeRs”) is a key tool in how key sustainability progress is monitored and reported.

When does a range based for statement end?

A range-based for loop terminates when one of these in statement is executed: a break, return, or goto to a labeled statement outside the range-based for loop. A continue statement in a range-based for loop terminates only the current iteration. Automatically recognizes arrays. Recognizes containers that have .begin () and .end ().

What are the years for the GCCA database?

The years for which data is available are: 1990, 2000, and 2005 to 2019. You can contact the GNR Project Management Committee if your company or organization is interested in finding out more about participating in the GNR system or about making data queries. GNR is a GCCA project but it is also contributed to by non-GCCA member companies.

What is the purpose of the GCCA Sustainability Charter?

Our sustainability mission lies at the heart of everything we do. The GCCA Sustainability Charter and Sustainability Guidelines underpin the sustainability activity of our member companies, setting out what they need to abide by, what they measure and how they report their sustainability performance.