I've got a package, github.com/Michael-F-Ellis/goht, that supports creating
HTML docs in Go. It works well, for my purposes at least, but I've always
been bothered by having to use []interface{} to define the struct member,
C, that supports recursion.
type HtmlTree struct {
T string // html tagname, e.g. 'head'
A string // zero or more html attributes, e.g 'id=1
class="foo"'
C []interface{} // a slice of content whose elements may be
strings or *HtmlTree
empty bool // set to true for empty tags like <br>
}
I've created a minimal extract of the package on the playground at
https://go.dev/play/p/-_7JKRZYLC_J?v=gotip. Assuming the new generics can
support constraining HtmlTree.C to be a slice of string | *HtmlTree, what
is the right syntax for doing so?
Thanks!
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