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This article mainly explains "how to use the C++ standard library", interested friends may wish to have a look. The method introduced in this paper is simple, fast and practical. Next, let the editor take you to learn how to use the C++ standard library.

ES.1: standard libraries are better than other libraries and handwritten code

Reason (reason)

Code that uses libraries is easier to write, shorter, tends to be more abstract than code that uses language features directly, and library code is more likely to be tested. The ISO C++ standard library is one of the most famous and best-tested libraries. It can be used directly as part of the C++ implementation.

Example (sample)

Auto sum = accumulate (begin (a), end (a), 0.0); / / good

It is better to use the accumulate version of range:

Auto sum = accumulate (v, 0.0); / / better

But don't try to hard-code common algorithms:

Int max = v.size (); / / bad: verbose, purpose unstated

Double sum = 0.0

For (int I = 0; I < max; + + I)

Sum = sum + v [I]

Exception (exception)

A large part of the standard library relies on dynamic memory allocation (free storage). These parts, mainly containers rather than algorithms, are not suitable for some hard real-time and embedded applications. In such cases, consider providing / using similar functionality. For example, a standard library-style container that allocates objects from a storage pool.

Enforcement (implementation recommendations)

Not easy. Looking for messy loops, nested loops, long functions, missing function calls, rarely used built-in types? Or confirm cyclomatic complexity?

At this point, I believe you have a deeper understanding of "how to use the C++ standard library". You might as well do it in practice. Here is the website, more related content can enter the relevant channels to inquire, follow us, continue to learn!

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