doc

type FileDoc struct {
	Path    string
	Doc     string // file-level doc (first # block before any code)
	Funcs   []FuncDoc
	Structs []StructDoc
}

type FuncDoc struct {
	Name   string   // e.g. "factorial" or "Dog.bark"
	Params []string // parameter names
	Doc    string
	Line   int // 1-based line number of the def
}

type StructDoc struct {
	Name   string
	Fields []string
	Doc    string
	Line   int // 1-based line number of the struct keyword
}