How to get all defined types?

Question

package demo

type People struct {
    Name string
    Age  uint
}

type UserInfo struct {
    Address  string
    Hobby           


        

Answer 1

Using go/importer:

pkg, err := importer.Default().Import("time")
if err != nil {
    fmt.Println("error:", err)
    return
}
for _, declName := range pkg.Scope().Names() {
    fmt.Println(declName)
}

(note, this returns an error on the Go Playground).