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What does golang include?

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2023-07-05 14:05:201507browse

golang includes: 1. fmt package; 2. os package; 3. net package; 4. time package; 5. encoding package; 6. sync package; 7. container package; 8. crypto, math, sort, reflect, etc., which provide support for common functions such as encryption algorithms, mathematical calculations, sorting, and reflection.

What does golang include?

The operating environment of this tutorial: windows10 system, golang1.20.1 version, DELL G3 computer.

Golang (Go) is an open source programming language developed and maintained by Google. It is designed to be a simple, efficient and extensible language, aiming to provide rapid development while maintaining high performance of the program. Golang's standard library contains a rich set of features that can meet the needs of various types of applications.

Golang’s standard library is one of the most important parts of Golang, providing developers with many built-in packages that cover functionality for a variety of common tasks, from file processing to network communication. The following are some core packages in the Golang standard library:

1. fmt package: This package provides functions for formatting input and output, including common formatted output, reading and scanning functions, such as Printf , Scanf and Sscanf, etc.

2. os package: This package provides functions for interacting with the operating system, including functions related to file operations and process management. Through the os package, you can create, open, read, and write files, as well as execute external commands and manage processes, etc.

3. net package: This package provides functions for network communication, including support for protocols such as TCP, UDP, and HTTP. Through the net package, you can create clients and servers and perform operations such as network connections and data transmission.

4. Time package: This package provides functions for time and date processing, including functions to obtain the current time, format and parse time strings, timers and timers, etc.

5. encoding package: This package provides support for a variety of encoding and decoding algorithms, including encoding and decoding functions in Base64, JSON, XML, Gob and other formats.

6. sync package: This package provides synchronization primitives needed for concurrent programming, including locks, condition variables, semaphores, read-write locks, etc. Thread-safe data sharing and coordination can be achieved through the sync package.

7. container package: This package provides the implementation of various data structures, including heaps, lists, ring buffers, hash tables, etc. These data structures enable efficient storage and retrieval operations.

In addition to the above core packages, the Golang standard library also contains many other function packages, such as crypto, math, sort, reflect, etc., which provide support for common functions such as encryption algorithms, mathematical calculations, sorting, and reflection. .

In addition to the standard library, Golang's package management tool go mod also provides developers with convenient third-party package management functions. by go With mod, developers can easily import and manage packages developed by others to extend Golang's functionality.

In summary, Golang's standard library is an indispensable part of Golang developers. It provides a rich feature package so that developers can develop and maintain programs more efficiently. At the same time, Golang also uses the package management tool go The mod provides convenient third-party package management functions, allowing developers to better utilize the rich resources developed by the community.

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