go中是否有“通过引用传递”（C ++）？

Question

I am defined a function using pointer, like the following

func concat(head1, head2 *Node) Node {
}

and pass in pointer. but I am wondering if Go supports pass by reference like C++ which I could use like the following

func concat(head1, head2 &Node) Node

Answer 1

The Go Programming Language Specification

Calls

In a function call, the function value and arguments are evaluated in the usual order. After they are evaluated, the parameters of the call are passed by value to the function and the called function begins execution. The return parameters of the function are passed by value back to the calling function when the function returns.

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No. Parameters are passed by value.