refactor: document structure of templ file by demonstrating interface…

… implementation

.version

@@ -1 +1 @@
-0.2.611
+0.2.615

parser/v2/structure.go

@@ -0,0 +1,41 @@
+package parser
+
+// TemplateFileNodes are the top level nodes of a templ file.
+var (
+	// css name() { ... }
+	_ TemplateFileNode = CSSTemplate{}
+	// templ name() { ... }
+	_ TemplateFileNode = HTMLTemplate{}
+	// script name() { ... }
+	_ TemplateFileNode = ScriptTemplate{}
+	// Go code within a templ file.
+	_ TemplateFileNode = TemplateFileGoExpression{}
+)
+
+// Nodes are all the nodes you can find in a `templ` component.
+var (
+	_ Node = Text{}
+	_ Node = Element{}
+	_ Node = RawElement{}
+	_ Node = GoComment{}
+	_ Node = HTMLComment{}
+	_ Node = CallTemplateExpression{}
+	_ Node = TemplElementExpression{}
+	_ Node = ChildrenExpression{}
+	_ Node = IfExpression{}
+	_ Node = SwitchExpression{}
+	_ Node = ForExpression{}
+	_ Node = StringExpression{}
+	_ Node = Whitespace{}
+	_ Node = DocType{}
+)
+
+// Element nodes can have the following attributes.
+var (
+	_ Attribute = BoolConstantAttribute{}
+	_ Attribute = ConstantAttribute{}
+	_ Attribute = BoolExpressionAttribute{}
+	_ Attribute = ExpressionAttribute{}
+	_ Attribute = SpreadAttributes{}
+	_ Attribute = ConditionalAttribute{}
+)