On Fri, Aug 4, 2023 at 10:33 AM alchemist vk <alchemist...@gmail.com> wrote:
> Hi folks,
> In below code, I am invoking receiver api show() via a simple uInteger
> type variable instead of pointer, by which it expects to be invoked . Go
> being strict with type casing and I was expecting a compiler error. But to
> my surprise, it compiled and executed successfully. Can you folks please
> explain this behavior.
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> *package mainimport "fmt"type uInteger intfunc main() { var x uInteger
> = 10 x.show()*
>
Above, the variable x is addressable, so the compiler passes &x to show().
To call a pointer receiver method of a variable, that variable has to be
addressable (it doesn't have to be a pointer), so the compiler knows how to
pass the address of it. Here's how it is described in the spec:
https://go.dev/ref/spec#Method_values
>
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> *}func (x *uInteger) show() { fmt.Printf("In show, x = %d\n", *x)}*
>
> Thanks in Advance,
> Venkatesh
>
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