Modify node type to interface{}. Add go module.

[cxt90730]

No description provided.

[vedhavyas]

Apologies for the delay.
Any specific usecase for string to interface{}?

[cxt90730]

I consider that in some specific cases, more node information needs to be stored, and type struct or interface{} may be used.

[vedhavyas]

Since we use it as key for the map, the key type has to satisfy the equality else it won't work. I think it is best to keep the string as is and the caller can map the string to spcific object

[cxt90730]

I know. In fact, as you said, I can maintain another map to achieve the same effect. I just personally think that the type interface{} can be more concise. Thank you for your reply.

[vedhavyas]

@cxt90730 would you still like to give a PR with modules ?