Sorry, missed the go- prefix in Dave's package.
github.com/davecgh/go-spew
On Tue, 2019-06-04 at 09:48 +0930, Dan Kortschak wrote:
> 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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