Structs as keys in Go maps

Question

I was looking into using structs as keys in golang maps. A field in this struct is supposed to be a map also and this seems to go against the documentation provided here which s

Answer 1

In your example the map key is a pointer to the struct, not the struct itself. Pointers can be compared for equality even when the items they point to can't be compared. This comparison is not based on the contents of the item, but only on its memory address.

Answer 2

only comparable type can be used as a key (== ,!=). struct (not a pointer) is comparable in case it contains only comparable types.