What is the concept of Go pointer

In this article, the editor introduces in detail "what is the concept of Go pointer", the content is detailed, the steps are clear, and the details are handled properly. I hope this article "what is the concept of Go pointer" can help you solve your doubts.

What is a pointer?

A pointer variable points to the memory address of a value.

Similar to variables and constants, you need to declare pointers before using them. The pointer declaration format is as follows:

Var var_name * var-type

Var-type is the pointer type, var_name is the pointer variable name, and the * sign is used to specify that the variable is used as a pointer. The following are valid pointer declarations:

Var ip * int / * points to integer * / var fp * float32 / * points to floating point * /

In this case, this is a pointer to int and float32.

What is go golang is a compiled language that can compile the code into machine code, and the compiled binaries can be deployed directly to the target machine without additional dependencies, so golang outperforms other interpretive languages and can use goroutine in golang to achieve concurrency. It provides a very elegant goroutine scheduler system that can easily generate millions of goroutine.

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