There are packages already available for this.
github.com/kortschak/utter (for Go syntax-like printing)
github.com/davecgh/spew (for less Go syntax-like printing)
On Mon, 2019-06-03 at 08:54 -0700, 杜沁园 wrote:
> I recently write a program to recursively print all fields and value
> in a
> struct. Interface() is the most convinence way to get underlying
> value in
> go.
> But it will panic when field is private.How can I access private
> field?
>
> For simple type, I can stil use Int(),Bool(),etc to read private
> field.
> But if the field is a interface, I do not know how to access is
> concrete
> value without use Interface() method.
>
>
> For example:
>
> type Expr interface {
> eval(v string) bool
> }
>
> type MyExpr struct {
> Haha string
> }
>
>
> type Web struct {
> Host string
> epr Expr
> }
>
>
>
>
> How can I get Web.Epr Value by reflection without use Interface()
> method
>
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