You create structs like StringNode and HtmlNode that implement the common
needed operations.
Imagine a Render() method for a string you convert to html, for an html node
you render recursively.
Or similar. If an HtmlNode is not a leaf node it needs recursive operations.
> On Dec 20, 2021, at 12:52 PM, Michael Ellis <michael.f.el...@gmail.com> wrote:
>
>
>
>> On Monday, December 20, 2021 at 1:33:49 PM UTC-5 ren...@ix.netcom.com wrote:
>> You should use interfaces and a “node” type.
>
> Hmm, I tried
>
> type Node interface {
> string | []*HtmlTree
> }
>
> type HtmlTree struct {
> T string // html tagname, e.g. 'head'
> A string // zero or more html attributes, e.g 'id=1 class="foo"'
> C Node // a slice of content whose elements may be strings or
> *HtmlTree
> empty bool // set to true for empty tags like <br>
> }
>
> and the compiler said:
> ./prog.go:21:8: interface contains type constraints.
>
> (line 21 is the declaration of HtmlTree.C as type Node)
>
> What's the syntax you have in mind?
>
>
>
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