Golang is a powerful programming language that is perfect for web development. It is fast, reliable, and easy to use. Golang is also an open source language, which means that it is constantly being improved by the community. It is a statically typed, compiled programming language created at Google. It is not uncommon for developers to make mistakes when working with a new language.
Here is a list of the most common mistakes made when developing with Golang:
1. Forgetting to handle errors
One of the most common mistakes made when developing with Golang is forgetting to handle errors. golang-faq points out that “Go programs compile and run without noise by default”. This can be misleading for developers who are used to languages that throw exceptions by default.
It is important to remember that in Golang, it is up to the programmer to handle errors. Failure to do so can result in unexpected behaviour and/or program crash.
2. Trying to use nil as a zero value
Another common mistake is trying to use nil as a zero value. In Golang, nil has a special meaning and cannot be used as a zero value for types. Attempting to do so will result in a compiler error.
3. Incorrectly using the blank identifier
The blank identifier is a special identifier in Golang that can be used in place of a named identifier. It is often used when a programmer does not need to use the name of an identifier, such as when assigning values to a struct field.
However, the blank identifier should not be used indiscriminately. Using the blank identifier in place of a named identifier can lead to code that is difficult to read and understand.
4. Not using go fmt
One of the benefits of developing with Golang is that the go fmt tool can be used to automatically format code. go fmt is a go tool that takes care of formatting code according to the Go standard.
However, many developers make the mistake of not using go fmt, which can lead to code that is difficult to read and understand.
Final Words
Each of these mistakes can be easily avoided with a little bit of knowledge and care. By using interfaces, you can ensure that your code is more maintainable and easy to understand. Inconsistent variable names can be confusing and make your code harder to read, so be sure to choose names that are clear and easy to follow. Pointers are a powerful tool, but they can be dangerous if used incorrectly. Be sure to understand how they work before using them in your code. Finally, don’t ignore errors! Always handle them in a way that is graceful and maintainable.
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